2y-15=7y+20

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Solution for 2y-15=7y+20 equation: 



2y-15=7y+20

We move all terms to the left:

2y-15-(7y+20)=0

We get rid of parentheses

2y-7y-20-15=0

We add all the numbers together, and all the variables

-5y-35=0

We move all terms containing y to the left, all other terms to the right

-5y=35

y=35/-5

y=-7

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