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-4x-3=-(4x-9)
We move all terms to the left:
-4x-3-(-(4x-9))=0
We calculate terms in parentheses: -(-(4x-9)), so:We get rid of parentheses
-(4x-9)
We get rid of parentheses
-4x+9
Back to the equation:
-(-4x+9)
-4x+4x-9-3=0
We add all the numbers together, and all the variables
-12!=0
There is no solution for this equation
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