-9y=-2y-1

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Solution for -9y=-2y-1 equation: 



-9y=-2y-1

We move all terms to the left:

-9y-(-2y-1)=0

We get rid of parentheses

-9y+2y+1=0

We add all the numbers together, and all the variables

-7y+1=0

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

-7y=-1

y=-1/-7

y=1/7

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