Use addition to solve the linear system of equations. Include all of your work in your final answer.
THESE ARE THE EQUATIONS AND NOT ANSWERS
x - y = 4
x + 2y = 4

Respuesta :

x = y + 4
x + 2y = 4
y + 4 + 2y = 4
3y = 0
y = 0
x = 4
The value of y is 0 and the value of x is 4

Answer:

-12,-8

Step-by-step explanation: