7y+9=-9+9y

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



7y+9=-9+9y

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7y-9y+9+9=0

We add all the numbers together, and all the variables

-2y+18=0

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

-2y=-18

y=-18/-2

y=+9

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