-81=6y-13y-8

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Solution for -81=6y-13y-8 equation: 



-81=6y-13y-8

We move all terms to the left:

-81-(6y-13y-8)=0

We add all the numbers together, and all the variables

-(-7y-8)-81=0

We get rid of parentheses

7y+8-81=0

We add all the numbers together, and all the variables

7y-73=0

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

7y=73

y=73/7

y=10+3/7

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