8(2y+8)+y=-21

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Solution for 8(2y+8)+y=-21 equation: 



8(2y+8)+y=-21

We move all terms to the left:

8(2y+8)+y-(-21)=0

We add all the numbers together, and all the variables

y+8(2y+8)+21=0

We multiply parentheses

y+16y+64+21=0

We add all the numbers together, and all the variables

17y+85=0

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

17y=-85

y=-85/17

y=-5

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