Solve x − 2y = 3 for x.

Answers

Answer 1

Answer:

[tex]x=2y+3[/tex]

Step-by-step explanation:

So we have the equation:

[tex]x-2y=3[/tex]

And we want to solve for x. In other words, we want to isolate the x-variable.

So, add 2y to both sides of the equation.

[tex](x-2y)+2y=(3)+2y[/tex]

On the left, the 2y cancel. Simplify the right:

[tex]x=2y+3[/tex]

And we're done!

Answer 2

Answer:

x = 3 + 2y

Step-by-step explanation:

This is the answer because:

1) First, you have to isolate x, in order to isolate x you have to bring x to the end of the equation.

2) Then, you have to add 2y to both sides of the equation.  

Another way you can think of this is:

1) If you add 3 + 2y you would figure out the answer because if you want to find x for a subtraction equation, you can add the answer to the equation with the number.

For example, x - 20 = 10, now to figure this equation out, you can either isolate the x, or you can add the answer in the equation with the remaining number in the equation.

Hope this helps!  


Related Questions

Find three consecutive integers such that the sum of the first and third is 22.

Answers

Answer:

10,11,12

Step-by-step explanation:

10+12=22

How to identify the parent function given an equation ?

Answers

Answer:

You can identify the parent function by making the equation into its simplest form.

Step-by-step explanation:

Remove all transformations from the equation (such as plus/minus signs, constants, and extra terms in the equation).  

ex. y= -3x^2+15

The parent function would be y=x^2 after removing everything.

Hope this helps! :)

w−2+2w=6+5w please helppp

Answers

w=-4
start by subtracting 2w from both sides
then subtract the single w on the left, getting -2=6+2w
next, subtract the 6 from both sides and you get -8=2w
then, just decide both sides by 2 and you get -4=w

The solution to the equation W - 2 + 2w = 6 + 5w is W = -4.

To solve the equation W - 2 + 2w = 6 + 5w,  follow these steps:

Begin by gathering the terms with W on one side and the terms without W on the other side of the equation.

Start by subtracting 2w from both sides:

W - 2 + 2w - 2w = 6 + 5w - 2w

Simplify:

W - 2 = 6 + 3w

Next, move the constant term (6) to the left side by subtracting 6 from both sides:

W - 2 - 6 = 6 + 3w - 6

Simplify:

W - 8 = 3w

Now, let's isolate the variable W by subtracting 3w from both sides:

W - 3w - 8 = 3w - 3w

Simplify:

-2w - 8 = 0

Finally, solve for W by adding 8 to both sides:

-2w - 8 + 8 = 0 + 8

Simplify:

-2w = 8

Divide both sides by -2 to isolate w:

(-2w) / -2 = 8 / -2

Simplify:

w = -4

To know more about equation  here

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Mark bought 18 pounds of apples for $6. Use the ratio table to find the cost of 3 pounds of apples.

Answers

Answer:

$1

Step-by-step explanation:

To set this ratio up, you would put $6 over 18lbs is equal to x over 3lbs.

Next, multiply $6 and 3lbs to give you 18.

Finally, divide 18 by 18 to give you a final answer of $1. Hope this helps!

Maria is making a skirt with rows of ribbon around the bottom. Each row of ribbon is 1.75 yards long. How many rows will she have if she is cutting the pieces from 5.25 yards long?

Answers

Answer:

3 rows

Step-by-step explanation:

Answer:

3 rows

Step-by-step explanation:

you just divide

draw a graph for x= - 4​

Answers

Answer:

basically it's a vertical line on -4

When your drawing the graph it’s going to be on the left side of the graph on the x axis line

Does anyone know the answer?

Answers

Answer:

1=163 degrees

2=×=10 degrees

3=×=3

Step-by-step explanation:

54x+1+9x-10=180 we are using this expression because alternate angles add up to 180 degrees

54x+9x+1-10=180

63x-9=180

63×=180+9

63×=189

63×÷63×=189÷63×

X=3

Angle in bold print is (54x+1)

54×3=162

162+1=163 degrees

No.2 Find x

7x+35+x+65 =180

7x+x+35×65=180

8x+100=180

8x=180-100

8x=80

8x÷8x=80÷8

X=10 degrees

No.3 Find x

54x+1+9x-10=180

54x+9x+1-10=180

63x-9=180

63x=180+9

63x=189

63x÷63x=189÷63

X=3

I hope I was of help

Hey uhm I don't understand:
-2/3 (1/2) (-6/7)=
i need the answer in a fraction. THANXS!

Answers

2/7

Hope this helps !!
You should also go to sleep soon!!
Make sure you ate todayyy !!!

segments that have the same measure are called blank segments

Answers

Answer:

Yes

Step-by-step explanation:

Answer:

collinear segments

Step-by-step explanation:

in a class of 35 students 19 take Spanish, 18 take French and 3 take neither. Calculate how many take:
a) both French and Spanish
b) just Spanish
c) just French ​

Answers

Xi think its just Spanish. Dry if it's wrong

Answer:

Hope that will help you

Please help due tonight very urgent being graded need help please Tom makes $25 an hour working at the local video game store. Over the past year he has saved $150 toward a new iPhone. If the iPhone cost $300, how many hours will he need to work to be able to buy the iPhone? make an equation or inequality and solve. Show your work

Answers

Hey there! I'm happy to help!

Tom has 150 already saved and for every hour he works, he will gain an extra $25. After h hours, he will have $300,

So, we multiply 25 by n, because for every hour he will have 25 added to his total, and repeated addition is multiplication, so we multiply 25 by n.

We add 150 as that is what we already have saved.

Finally, we want this to equal 300.

So, here is our equation.

25n+150=300

Now we solve. We subtract 150 from both sides.

25n=150

We divide both sides by 25.

n=6

Tom will have to work six hours to buy the iPhone.

Have a wonderful day! :D

Answer:

25(6)+150=300

Step-by-step explanation:

25x+150=300

25x=300-150

25x/25=150/25

x=6

PLEASE HELP!

Find the value of x. IMAGE BELOW
a) 20.485
b) 35.631
c) 86.113

Answers

Answer:

c

Step-by-step explanation:

Please see the attached picture for full solution.

24677899655995468385477/2468427843686545744

Answers

It is 283747489393939

y=4x^2-28x+49 Need help learning factoring please put work so I can understand

Answers

Its trial and error i normally start with the middle but knowing that 49 has so few multiples i started there and went from there to get the -28x knowing 14+14=28 I knew i need 2*7 for both.

Please help I need this badly, I would greatly appreciate it.

Answers

Answer:I would say 3 but I am not 100% sure

Step-by-step explanation:

A farmer plants 0.6 of a field with peanuts. The field is 5.6 acres in size. How many acres are planted with peanuts?

Answers

Answer:

3.36 acres

Step-by-step explanation:

Simplify 4n5 + 3.5n5 + (-2.1n5).
20 n5
5.4 n5
6.4 n5
4.4 n5
(the fives after the n are powers in the answers as well)

Answers

Numbers with the same exponents are like terms so you can add them and the exponent stays the same

Bob and Carl each rented the same kind of moving truck from EZ Move. There was a flat rental fee plus a charge per mile that the truck was driven. Bob's cost for his truck was $112.96 for 138 miles. Carl's cost for his truck was $142.78 for 209 miles. Which equation can be used to represent the cost of the rental truck? Round to the nearest hundredth if necessary. y = 71 x minus 29.82 y = 25 x minus 66 y = 0.42 x + 71 y = 0.42 x + 55

Answers

Answer:

D. y = 0.42x + 55

Step-by-step explanation:

Let the equation for the cost of the truck be represented by y = mx + b,

where y = cost of truck per mile, x = number of miles, m = charge of the truck per mile and b = rental fee.

We are given that,

Cost for Bob's truck ( y ) = $112.96 for x = 138 miles, and

Cost for Carl's truck ( y ) = $142.78 for x = 209 miles.

This gives us the equations,

142.78 = 209m + b

112.96 = 138m + b

Subtracting these equations, we get,

29.82 = 71m

i.e. m = 0.42

Substituting the value of ' m ' in first equation, we get,

142.78 = 209 × 0.42 + b

i.e. 142.78 = 87.78 + b

i.e. b = 55.

Hence, the equation for the cost of the truck is y = 0.42x + 55

Answer:

d.y = 0.42 x + 55

Step-by-step explanation:

the products of 0.42 with 0.2 can be written in fraction?
Yes or no and whats the right fraction i keep get it wrong​

Answers

I believe it is yes. I think the right fraction is 84/1000. Let me know if this works and if not tell me

Answer:

yes ... 42/100 × 2/10= 21/250

Find the values of p and q such that
2x² - 4x + 3 = 2(x- p) +9

Answers

Answer:

P = 3x + 3 - x²

Step-by-step explanation:

how do you solve 7 - x = -11 * EXTRA POINTS

Answers

Answer:

X = -18

Step-by-step explanation:

7-18=-11

-11-7=-18
-X=-18
Change the signs
X=18

what is the mean number of points
scored by these players? D A. 7 B. & DD. 10​

Answers

Answer:

A

Step-by-step explanation:

The two triangles are similar. There are two possible values of x. Work out each of these values. State both assumptions you make in your working. You must state which two triangles you are assuming to be similar.

Answers

Answer:

ΔABE ~ ΔACD, x = 2ΔABE ~ ΔADC, x = 17

Step-by-step explanation:

ΔABE ~ ΔACD

  AC/AB = AD/AE

  (10+x)/10 = (15+3)/15

  1 +x/10 = 1 +0.2 . . . expand each ratio

  x = 10(0.2) . . . . . . . subtract 1 and multiply by 10

  x = 2

__

ΔABE ~ ΔADC

  AC/AE = AD/AB

  (10+x)/15 = (15+3)/10

  10 +x = 27 . . . . . . . . multiply by 15

  x = 17 . . . . . . . . . . . . subtract 10

_____

Additional comment

The triangles can be declared similar in 6 ways, but it does no good to match a marked side with an unmarked side. Hence, only two of the possible similarity statements will result in a solution for x.

Answer:

This will give you 5/5

x = 17  

x=2  

Assuming triangle ABE is similar to ACD

Assuming traingle ABE is similar to ADC

Step-by-step explanation:

18/10 = 1.8 (S.F)

15 x 1.8 = 27

27-10 = 17

x = 17

15+3=18

18/15= 1.2 (S.F)

10x1.2= 12

12-10=2

x=2

Assuming triangle ABE is similar to ACD

Assuming triangle ABE is similar to ADC

6. A student driver travels at a speed of 3km/h for an hour and a half. What
distance does it travel?

Answers

Answer:

4.5 km

Step-by-step explanation:

3km times 1 = 3 and then 3km times .5 = 1.5

3+1.5= 4.5



I need help
[tex] - 3n + 7 + 2n - 8[/tex]
this is due today​

Answers

-1n+1
simplified to n=1
hope this helps!

Convert 8 to Base 2​

Answers

2 would be the base and 3 will be the square

first divide 8 by 2 y0u will get 0 remainder

8/2=4          0 remainder

4/2 =2          0 remainder

2/2=1            0 remainder

1/2= 0            1 remainder

8= 1000 base 2

plz can some answer it will be appreciated ​

Answers

Answer:

22 cm

Step-by-step explanation:

A hexagon has six sides. Since it is a regular hexagon, all of the sides have equal length, so we can multiply the length of one side, 3.6 by 6 to get the perimeter. 3.6 x 6 = 21.6. To the nearest centimeter, the upper bound is 22.

1.4.AP-9
The temperature in some region of Alaska equals 12° F. Convert this temperature to Celsius.
12°F='c (Round to the nearest tenth of a degree as needed.)

Answers

Answer:

-11.1

12°F= -11.1°C

Sorry if I'm late to answering..

The temperature of Alaska in degree celsius will be -11.11°C.

What is unit conversion?

To convert any unit into another is called a unit conversion.

In order to convert units, we need to care about their dimensions their dimension should not be changed.

For example, kilo gram to gram.

Given the temperature of Alaska 12° F.

Since we know,

°C = 5/9(°F - 32)

Given that.

°F → 12°F

So,

°C = 5/9(12 - 32)

°C = 5/9(-20)

°C = -11.11

Hence "The temperature of Alaska in degree celsius will be -11.11°C".

To learn more about unit conversion,

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Math Comprehension

Convert 77º F into kelvins.

Answers

Answer:

298.15 K

Step-by-step explanation:

Johnathon is planting potatoes and carrots in his
garden. He has 30 potato plants and 50 carrot plants.
He wants to distribute the two types of plants equally
among the rows.
What is the greatest number of rows he can make?

Answers

Answer: 3

Step-by-step explanation: well if he does rows of 10 then it will have to be 3   and he will have 20 potato plants left over.

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