Question

Solve each system of equation by substitution.
y=x+8
4x-2x=-12

Answer 1

x=-6

y=2

Explanation:

y=x+8

x=y-8

now, subsisting the value of x

4x-2x=-12

2x=-12

2(y-8)=-12

2y-16=-12

2y=-12+16

y=2

putting the value of y in x=y-8

x=2-8

x=-6