28+3y-7=12y-9-3y

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Solution for 28+3y-7=12y-9-3y equation:



28+3y-7=12y-9-3y
We move all terms to the left:
28+3y-7-(12y-9-3y)=0
We add all the numbers together, and all the variables
3y-(9y-9)+28-7=0
We add all the numbers together, and all the variables
3y-(9y-9)+21=0
We get rid of parentheses
3y-9y+9+21=0
We add all the numbers together, and all the variables
-6y+30=0
We move all terms containing y to the left, all other terms to the right
-6y=-30
y=-30/-6
y=+5

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