Answer:8x+4w
Step-by-step explanation:
So the question is
3x+4w+7x-2x
We take the variables that are the same which are
3x
7x
-2x
We add all of these together
3x+7x+(-2x)=8x
8x is our answer, so we take 8x and add 4w to it
8x+4w
This is the final answer, because there is nothing else left to do
