Question

Y = -x + 4
2x + 2y = 8
independent
inconsistent
equivalent

Answer 1

Explanation:

y = -x + 4

2x + 2y = 8

Substitution y

2x + 2y = 8

2x + 2(-x + 4) = 8

2x + (-2x) + 8 = 8

2x - 2x = 8 - 8

0 = 0