Question

Solve the linear system using the method of substituition
x + y = -2
y = x + 6

Answer 1

x + y = -2
y = x + 6

y = -2 - x
y = x + 6

y = y

-2 - x = x + 6
2x = -8
x = -4
y = 2

The intersection point is (-4,2).

Answer 2

Thanks