Question

Combine like terms

3a – 1 + 7a + 6 =

Answer 1

3a-1+7a+6
We can group like terms first:
3a+7a+6-1
Now we combine them:
(3a+7a)+(6-1)
10a+5

Hope this helps :)

Answer 2

3a+7a=10a

10a+5

here is the like terms combined
I added then together.