12y-7=20y+57

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Solution for 12y-7=20y+57 equation: 



12y-7=20y+57

We move all terms to the left:

12y-7-(20y+57)=0

We get rid of parentheses

12y-20y-57-7=0

We add all the numbers together, and all the variables

-8y-64=0

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

-8y=64

y=64/-8

y=-8

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