Question

I kinda need some help with this. Its really hard and I don't understand it.

Answer 1

1.  2*1=2  6k*2=12k 
2+12k+10=12+12k
You can leave it as 12k+12
or k+1

3. 2*4=8v + 2*6=12
2*v=2v+2*-2=4
8v+12+2v+4
10v+16