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3x-7=3(5+x)
We move all terms to the left:
3x-7-(3(5+x))=0
We add all the numbers together, and all the variables
3x-(3(x+5))-7=0
We calculate terms in parentheses: -(3(x+5)), so:We get rid of parentheses
3(x+5)
We multiply parentheses
3x+15
Back to the equation:
-(3x+15)
3x-3x-15-7=0
We add all the numbers together, and all the variables
-22!=0
There is no solution for this equation
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