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2+x=4(x-1)
We move all terms to the left:
2+x-(4(x-1))=0
We calculate terms in parentheses: -(4(x-1)), so:We get rid of parentheses
4(x-1)
We multiply parentheses
4x-4
Back to the equation:
-(4x-4)
x-4x+4+2=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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