7y-9=9y+3

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Solution for 7y-9=9y+3 equation: 



7y-9=9y+3

We move all terms to the left:

7y-9-(9y+3)=0

We get rid of parentheses

7y-9y-3-9=0

We add all the numbers together, and all the variables

-2y-12=0

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

-2y=12

y=12/-2

y=-6

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