Respuesta :

MrGumby

Answer:

The correct answer is A) -3

Step-by-step explanation:

To solve this system of equations, take what y is equal to in the first equation and input it for y in the second equation.

7x + 4y = -1

7x + 4(-x + 2) = -1

Now solve for x.

7x + 4(-x + 2) = -1

7x -4x + 8 = -1

3x + 8 = -1

3x = -9

x = -3

Answer:

a

Step-by-step explanation:

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