Question

Simplify the following expression by combining liker terms: 4x +9 -6x +6

10X-15
10x+15
-2x+15
2x+15
Explain your thinking.

Answer 1

i think its -2x+15

Explanation:

you do 4x-6x (-6 cuz it has a neg. in front) which gives you -2x then 9+6 and it gives you 15

Answer 2

its very simple you just need to collect like terms...

which is 4x-6x+6+9 which is

-2x+15.

This is my answer I hope it helps you.