I need help please and thanks ​

Answer:

x = 1 y = -3 (1, -3)

Step-by-step explanation:

Use the Substitution Method

First, you have to turn the equations into slope intercept form (y = mx + b)

First equation

x - y = 4

subtract x from both sides

-y = -x + 4

divide each side by -1

y = x - 4

Second Equation

4x + y = 1

subtract 4x from both sides

y = -4x + 1

Turn the two new equations into one equation like so

-4x + 1 = x - 4

add 4x to both sides

1 = 5x - 4

add 4 to both sides

5 = 5x

divide each side by 5

x = 1

Fill in x in one of the original equations in order to find the value of y

4(1) + y = 1

4 + y = 1

subtract 4 from both sides

y = -3

hope this helps :)

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