Question

Solve the system by substitution.
y = -X
y = - 4x + 12

Answer 1

Explanation:

y = -x

y = -4x + 12

-x = -4x + 12

x = 4

y = -x = -4

Answer 2

The answer is ( - 8, 8) in point form or in x = -8 , y= 8 in equation form.