3y+15.9=4(2y+7.1)

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Solution for 3y+15.9=4(2y+7.1) equation: 



3y+15.9=4(2y+7.1)

We move all terms to the left:

3y+15.9-(4(2y+7.1))=0



We calculate terms in parentheses: -(4(2y+7.1)), so:

4(2y+7.1)

We multiply parentheses

8y+28.4

Back to the equation:

-(8y+28.4)



We get rid of parentheses

3y-8y-28.4+15.9=0

We add all the numbers together, and all the variables

-5y-12.5=0

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

-5y=12.5

y=12.5/-5

y=-2+2.5/5

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