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7-4x=-2(2x-1)
We move all terms to the left:
7-4x-(-2(2x-1))=0
We calculate terms in parentheses: -(-2(2x-1)), so:We get rid of parentheses
-2(2x-1)
We multiply parentheses
-4x+2
Back to the equation:
-(-4x+2)
-4x+4x-2+7=0
We add all the numbers together, and all the variables
5!=0
There is no solution for this equation
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