-30=5y-20y

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Solution for -30=5y-20y equation: 



-30=5y-20y

We move all terms to the left:

-30-(5y-20y)=0

We add all the numbers together, and all the variables

-(-15y)-30=0

We get rid of parentheses

15y-30=0

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

15y=30

y=30/15

y=2

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