Question

Find the y-value using substitution for the system below.

x+2 y=2
x=-4 y+2

Answer 1

y=0

Explanation:

1) Obtain x from the first row: x = 2 - 2y

2) Substitute x in the second row, obtaining:

2 - 2y = -4y + 2

3) Solve this 1° order equation:

-2y + 4y = 2 - 2

2y = 0

y = 0