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-x/12-11=12
We move all terms to the left:
-x/12-11-(12)=0
We add all the numbers together, and all the variables
-x/12-23=0
We multiply all the terms by the denominator
-x-23*12=0
We add all the numbers together, and all the variables
-1x-276=0
We move all terms containing x to the left, all other terms to the right
-x=276
x=276/-1
x=-276
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