Question

Solve the system of equations for x or y, whichever one you do not eliminate.
2x+4y=10
2x-4y=10
a.x=2
b.x=10
c.x=5
d.y=5

Answer 1

2x+4y=10
2x-4y=10
------------
8y=0
y=0

2x-4y=10
2x-4(0)=10
2x=10
x=5

Answer 2

Thanks friend =)