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-3x-17=-(7+3x)
We move all terms to the left:
-3x-17-(-(7+3x))=0
We add all the numbers together, and all the variables
-3x-(-(3x+7))-17=0
We calculate terms in parentheses: -(-(3x+7)), so:We get rid of parentheses
-(3x+7)
We get rid of parentheses
-3x-7
Back to the equation:
-(-3x-7)
-3x+3x+7-17=0
We add all the numbers together, and all the variables
-10!=0
There is no solution for this equation
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