Question

Simplify by collecting like terms: 2x-4-6x+8

Answer 1

2x - 4 - 6x+8
= -4x + 4 or
= 4 - 4x 

Answer 2

-4x+4 because if you combine 2x and -6x then that equals -4x then when you combine -4 and 8 you get positive 4