9-y=3y-3

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



9-y=3y-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1y-(3y-3)+9=0

We get rid of parentheses

-1y-3y+3+9=0

We add all the numbers together, and all the variables

-4y+12=0

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

-4y=-12

y=-12/-4

y=+3

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