9y-7y+9=y+72

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Solution for 9y-7y+9=y+72 equation: 



9y-7y+9=y+72

We move all terms to the left:

9y-7y+9-(y+72)=0

We add all the numbers together, and all the variables

2y-(y+72)+9=0

We get rid of parentheses

2y-y-72+9=0

We add all the numbers together, and all the variables

y-63=0

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

y=63

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