9+y=72+9y

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Solution for 9+y=72+9y equation: 



9+y=72+9y

We move all terms to the left:

9+y-(72+9y)=0

We add all the numbers together, and all the variables

y-(9y+72)+9=0

We get rid of parentheses

y-9y-72+9=0

We add all the numbers together, and all the variables

-8y-63=0

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

-8y=63

y=63/-8

y=-7+7/8

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