0
Wiki User
2
-2
x = -2
4
4 + x = 2x --> 4 = 2x - x --> 4 = x: x = 4
-1/2
2 x 2 = 4 x 60 = 240
-(2)Squared = 4
-x -2 = 2 so -x = 2+2 = 4 and so x = -4
No, it is not.