4y-9=8+9y

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



4y-9=8+9y

We move all terms to the left:

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

We add all the numbers together, and all the variables

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