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4x-1=-(2x+4)
We move all terms to the left:
4x-1-(-(2x+4))=0
We calculate terms in parentheses: -(-(2x+4)), so:We get rid of parentheses
-(2x+4)
We get rid of parentheses
-2x-4
Back to the equation:
-(-2x-4)
4x+2x+4-1=0
We add all the numbers together, and all the variables
6x+3=0
We move all terms containing x to the left, all other terms to the right
6x=-3
x=-3/6
x=-1/2
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