Question

2y = 4x - 8
y = x +4
Solve by substitution

Answer 1

Answer:

x=8

Step-by-step explanation:

2(x+4)=4x-8

2x+8=4x-8

2x+8-8=4x-8-8

2x=4x-16

2x-4x=4x-16-4x

-2x=-16

Divide by -2 on both sides

and get... X=8