8y+16=-9(y+21)

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Solution for 8y+16=-9(y+21) equation: 



8y+16=-9(y+21)

We move all terms to the left:

8y+16-(-9(y+21))=0



We calculate terms in parentheses: -(-9(y+21)), so:

-9(y+21)

We multiply parentheses

-9y-189

Back to the equation:

-(-9y-189)



We get rid of parentheses

8y+9y+189+16=0

We add all the numbers together, and all the variables

17y+205=0

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

17y=-205

y=-205/17

y=-12+1/17

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