10y-9=9+9y+9

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Solution for 10y-9=9+9y+9 equation: 



10y-9=9+9y+9

We move all terms to the left:

10y-9-(9+9y+9)=0

We add all the numbers together, and all the variables

10y-(9y+18)-9=0

We get rid of parentheses

10y-9y-18-9=0

We add all the numbers together, and all the variables

y-27=0

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

y=27

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