-5y+3=2(4y+21)

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Solution for -5y+3=2(4y+21) equation: 



-5y+3=2(4y+21)

We move all terms to the left:

-5y+3-(2(4y+21))=0



We calculate terms in parentheses: -(2(4y+21)), so:

2(4y+21)

We multiply parentheses

8y+42

Back to the equation:

-(8y+42)



We get rid of parentheses

-5y-8y-42+3=0

We add all the numbers together, and all the variables

-13y-39=0

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

-13y=39

y=39/-13

y=-3

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