Answer :
y=2x-10
2y = x - 8
2(2x-10) = x - 8
4x - 20 = x - 8
3x = 12
x=4
If x=4,
y = 2x-10
y = 2(4)-10
y = -2
So x=4, y=-2
2y = x - 8
2(2x-10) = x - 8
4x - 20 = x - 8
3x = 12
x=4
If x=4,
y = 2x-10
y = 2(4)-10
y = -2
So x=4, y=-2