-y=7(y+10)+2

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Solution for -y=7(y+10)+2 equation: 



-y=7(y+10)+2

We move all terms to the left:

-y-(7(y+10)+2)=0

We add all the numbers together, and all the variables

-1y-(7(y+10)+2)=0



We calculate terms in parentheses: -(7(y+10)+2), so:

7(y+10)+2

We multiply parentheses

7y+70+2

We add all the numbers together, and all the variables

7y+72

Back to the equation:

-(7y+72)



We get rid of parentheses

-1y-7y-72=0

We add all the numbers together, and all the variables

-8y-72=0

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

-8y=72

y=72/-8

y=-9

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