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8939=x+(x-2001)
We move all terms to the left:
8939-(x+(x-2001))=0
We calculate terms in parentheses: -(x+(x-2001)), so:We get rid of parentheses
x+(x-2001)
We get rid of parentheses
x+x-2001
We add all the numbers together, and all the variables
2x-2001
Back to the equation:
-(2x-2001)
-2x+2001+8939=0
We add all the numbers together, and all the variables
-2x+10940=0
We move all terms containing x to the left, all other terms to the right
-2x=-10940
x=-10940/-2
x=+5470
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