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how do you 12y+4x+15y+-2

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Hi Faith,
step 1: remove the parenthesis. 
so the expression would become 12y + 4x + 15y +2
step 2: combine the like terms.
this means you can add 12y and 15y.
so now you get:  17y + 4x + 2
Fatima K.


Just noticed that in the first line you have " -2 "
So in that case the whole expression would remain the same except the positive 2 would become a negative 2. 
so your answer would be 17y + 4x - 2
( I am not sure which one is the question you need answer for, hence, I have provided for both)
Hope it helps!
sorry typing error! its going to be 27y