y+6=3y-9

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Solution for y+6=3y-9 equation: 



y+6=3y-9

We move all terms to the left:

y+6-(3y-9)=0

We get rid of parentheses

y-3y+9+6=0

We add all the numbers together, and all the variables

-2y+15=0

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

-2y=-15

y=-15/-2

y=7+1/2

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