-20=-7y+2(y-5)

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Solution for -20=-7y+2(y-5) equation: 



-20=-7y+2(y-5)

We move all terms to the left:

-20-(-7y+2(y-5))=0



We calculate terms in parentheses: -(-7y+2(y-5)), so:

-7y+2(y-5)

We multiply parentheses

-7y+2y-10

We add all the numbers together, and all the variables

-5y-10

Back to the equation:

-(-5y-10)



We get rid of parentheses

5y+10-20=0

We add all the numbers together, and all the variables

5y-10=0

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

5y=10

y=10/5

y=2

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