Respuesta :

bryan431
y + 9 + 7(y+3) .  (make sure to distribute)
y + 9 + 7y + 21
8y + 30 .

hope this helps , give brianliest 
Narusin12
To combine the like terms, we do this:

y + 9 + 7(y + 3)=    ←Distributive Property
=y + 9 + 7y + 21     ←Add them all up
= 8y + 30

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