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x-4=2(2x-4)-2
We move all terms to the left:
x-4-(2(2x-4)-2)=0
We calculate terms in parentheses: -(2(2x-4)-2), so:We get rid of parentheses
2(2x-4)-2
We multiply parentheses
4x-8-2
We add all the numbers together, and all the variables
4x-10
Back to the equation:
-(4x-10)
x-4x+10-4=0
We add all the numbers together, and all the variables
-3x+6=0
We move all terms containing x to the left, all other terms to the right
-3x=-6
x=-6/-3
x=+2
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