7y-9=2y+9

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Solution for 7y-9=2y+9 equation: 



7y-9=2y+9

We move all terms to the left:

7y-9-(2y+9)=0

We get rid of parentheses

7y-2y-9-9=0

We add all the numbers together, and all the variables

5y-18=0

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

5y=18

y=18/5

y=3+3/5

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