Answer:
7.) 16+8g
8.) 4h-20g
9.) -35+7n
10.) 16m+8
11.) 6xy-6xz
12.)-6b+6a
Explanation:
I'm going to do the first one (7) to explain, after that you just continue doing the same thing. We first multiply 8* 2= 16 then we do 8*g and we get 8g. So the answer would be 16+8g.