7y+8=-9+9y

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Solution for 7y+8=-9+9y equation: 



7y+8=-9+9y

We move all terms to the left:

7y+8-(-9+9y)=0

We add all the numbers together, and all the variables

7y-(9y-9)+8=0

We get rid of parentheses

7y-9y+9+8=0

We add all the numbers together, and all the variables

-2y+17=0

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

-2y=-17

y=-17/-2

y=8+1/2

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