y=-2y+9

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Solution for y=-2y+9 equation: 



y=-2y+9

We move all terms to the left:

y-(-2y+9)=0

We get rid of parentheses

y+2y-9=0

We add all the numbers together, and all the variables

3y-9=0

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

3y=9

y=9/3

y=3

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