4y+9=9y-8

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Solution for 4y+9=9y-8 equation: 



4y+9=9y-8

We move all terms to the left:

4y+9-(9y-8)=0

We get rid of parentheses

4y-9y+8+9=0

We add all the numbers together, and all the variables

-5y+17=0

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

-5y=-17

y=-17/-5

y=3+2/5

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