-21=-y/8

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Solution for -21=-y/8 equation: 



-21=-y/8

We move all terms to the left:

-21-(-y/8)=0

We get rid of parentheses

y/8-21=0

We multiply all the terms by the denominator


y-21*8=0

We add all the numbers together, and all the variables

y-168=0

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

y=168

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