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