Question

Solve for x.

2x+3y=20
-2x+y=4

Answer 1

x = 1

Explanation:

-2x + y = 4

y = 2x + 4

2x + 3y = 20

2x + 3(2x + 4) = 20

2x + 6x + 12 = 20

8x + 12 = 20

8x = 8

x = 1