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2=x-(-13)
We move all terms to the left:
2-(x-(-13))=0
We calculate terms in parentheses: -(x-(-13)), so:We get rid of parentheses
x-(-13)
We add all the numbers together, and all the variables
x+13
Back to the equation:
-(x+13)
-x-13+2=0
We add all the numbers together, and all the variables
-1x-11=0
We move all terms containing x to the left, all other terms to the right
-x=11
x=11/-1
x=-11
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