3y+-9=2y-1

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Solution for 3y+-9=2y-1 equation: 



3y+-9=2y-1

We move all terms to the left:

3y+-9-(2y-1)=0

We add all the numbers together, and all the variables

3y-(2y-1)=0

We get rid of parentheses

3y-2y+1=0

We add all the numbers together, and all the variables

y+1=0

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

y=-1

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