-8=3(y+4)+7y

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Solution for -8=3(y+4)+7y equation: 



-8=3(y+4)+7y

We move all terms to the left:

-8-(3(y+4)+7y)=0



We calculate terms in parentheses: -(3(y+4)+7y), so:

3(y+4)+7y

We add all the numbers together, and all the variables

7y+3(y+4)

We multiply parentheses

7y+3y+12

We add all the numbers together, and all the variables

10y+12

Back to the equation:

-(10y+12)



We get rid of parentheses

-10y-12-8=0

We add all the numbers together, and all the variables

-10y-20=0

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

-10y=20

y=20/-10

y=-2

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