-9+5y=12-2y

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Solution for -9+5y=12-2y equation:



-9+5y=12-2y
We move all terms to the left:
-9+5y-(12-2y)=0
We add all the numbers together, and all the variables
5y-(-2y+12)-9=0
We get rid of parentheses
5y+2y-12-9=0
We add all the numbers together, and all the variables
7y-21=0
We move all terms containing y to the left, all other terms to the right
7y=21
y=21/7
y=3

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