-21-31+8=8-5y-12

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Solution for -21-31+8=8-5y-12 equation: 



-21-31+8=8-5y-12

We move all terms to the left:

-21-31+8-(8-5y-12)=0

We add all the numbers together, and all the variables

-(-5y-4)-21-31+8=0

We add all the numbers together, and all the variables

-(-5y-4)-44=0

We get rid of parentheses

5y+4-44=0

We add all the numbers together, and all the variables

5y-40=0

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

5y=40

y=40/5

y=8

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