7y-20=5y+10

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Solution for 7y-20=5y+10 equation: 



7y-20=5y+10

We move all terms to the left:

7y-20-(5y+10)=0

We get rid of parentheses

7y-5y-10-20=0

We add all the numbers together, and all the variables

2y-30=0

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

2y=30

y=30/2

y=15

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