Question

combine like terms
6(2a+b) + b

Answer 1

Well, first you have to simplify and you will do this by distributing

Answer 2

12a+7b

Answer 3

You can first distribute the 6 by multiplying it to each term in the parenthesis.
12a +6b +b
Like terms have the same variable. So you would add 6b and b in this case.
12a +7b

Answer 4

12a+6b+b

Answer 5

thanks @Kamibug

Answer 6

distribute the the 6 into both terms in the parenthesis...

12a+6b+b

Answer 7

Oh well....nm