2y-9=9-y

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



2y-9=9-y
We move all terms to the left:
2y-9-(9-y)=0
We add all the numbers together, and all the variables
2y-(-1y+9)-9=0
We get rid of parentheses
2y+1y-9-9=0
We add all the numbers together, and all the variables
3y-18=0
We move all terms containing y to the left, all other terms to the right
3y=18
y=18/3
y=6

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