-30=2y+10-7y

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Solution for -30=2y+10-7y equation: 



-30=2y+10-7y

We move all terms to the left:

-30-(2y+10-7y)=0

We add all the numbers together, and all the variables

-(-5y+10)-30=0

We get rid of parentheses

5y-10-30=0

We add all the numbers together, and all the variables

5y-40=0

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

5y=40

y=40/5

y=8

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