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3y+7=3y+2-1
We move all terms to the left:
3y+7-(3y+2-1)=0
We add all the numbers together, and all the variables
3y-(3y+1)+7=0
We get rid of parentheses
3y-3y-1+7=0
We add all the numbers together, and all the variables
6!=0
There is no solution for this equation
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