Question

How do you combine `7( a + 2b ) - 6b + 2a`?

Answer 1

`9a+8b`

Explanation:

`7(a+2b)-6b+2a=7a+14b-6b+2a`
`=(7a+2a)b(14-6)=9a+8b`

Answer 2

`9a+8b`

Explanation:

Multiply through parenthesis by 7
`7a+14b-6b+2a`
Collect the like terms
`9a+8b`