Question

3(y+7)+8y

Answer 1

Can you post the complete question with instructions?

Answer 2

Otherwise, if you're just trying to simplify: first use the distributive property

a(b + c) = ab + ac

Answer 3

First distribute the 3 into the parenthesis

3(y+7) = ??

Answer 4

oh ok i kind of ge
t it now

Answer 5

yeah, so it is 3y+21+8y then 21+11y=32

Answer 6

You cannot add 21 and 11y as they are not like terms.

21 is a number
11y has a 'y'

You cannot add apples and oranges