If the x=4, then its equivelent to 12 + 4, which equals 16.
Sure does.
4
x=4 y=0
8
no.. x equals 11
All of them
If X+Y=5;X=4, then x=4 and y=1
64
4
4 + x = 2x Subtract 'x' from both sides 4 = 2x - x x = 4 Verification 4 + 4 = 2(4) 8 = 2 x 4 = 8 True!!!!!
x = -4 and y = 4