Question

4x - 2x - 2 = -42.

Answer 1

collect like terms first
so what is 4x -2x and
when you bring -2 to the other side it becomes +2 so what is -42 + 2?

Answer 2

-40 ??

Answer 3

yep and 4x - 2x is?

Answer 4

2x ?

Answer 5

yep.

Answer 6

4x - 2x -2 = -42
4x - 2x = -42 + 2
2x = -40
x = ?
now find what x equals to.

Answer 7

-20?

Answer 8

yep, that is correct.

Answer 9

thanx (:

Answer 10

why? because -40/2 = -20

Answer 11

no problem.