25=9y-7+12y=81

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Solution for 25=9y-7+12y=81 equation: 



25=9y-7+12y=81

We move all terms to the left:

25-(9y-7+12y)=0

We add all the numbers together, and all the variables

-(21y-7)+25=0

We get rid of parentheses

-21y+7+25=0

We add all the numbers together, and all the variables

-21y+32=0

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

-21y=-32

y=-32/-21

y=1+11/21

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