x > 4
10x - 5x + 5x = 10x
x is greater than or equal to 5.
3x - 5x + x = -x
5x + 4
11x + 2
(x - 1)(5x + 7)
(5x - 2)(x - 5)
The commutative property applies to TWO numbers at a time, and it applies either to addition or to multiplication. So, for example:23 + 5x = 5x + 23
5x + 4
2222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222
x= -11
-x2+2x