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7x+3+2x=9x-7
We move all terms to the left:
7x+3+2x-(9x-7)=0
We add all the numbers together, and all the variables
9x-(9x-7)+3=0
We get rid of parentheses
9x-9x+7+3=0
We add all the numbers together, and all the variables
10!=0
There is no solution for this equation
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