6y+9=15y+81

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Solution for 6y+9=15y+81 equation: 



6y+9=15y+81

We move all terms to the left:

6y+9-(15y+81)=0

We get rid of parentheses

6y-15y-81+9=0

We add all the numbers together, and all the variables

-9y-72=0

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

-9y=72

y=72/-9

y=-8

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