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4x-1=-2(-1-2x)
We move all terms to the left:
4x-1-(-2(-1-2x))=0
We add all the numbers together, and all the variables
4x-(-2(-2x-1))-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-2-1=0
We add all the numbers together, and all the variables
-3!=0
There is no solution for this equation
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