15=y+2y

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Solution for 15=y+2y equation:



15=y+2y
We move all terms to the left:
15-(y+2y)=0
We add all the numbers together, and all the variables
-(+3y)+15=0
We get rid of parentheses
-3y+15=0
We move all terms containing y to the left, all other terms to the right
-3y=-15
y=-15/-3
y=+5

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