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-x/2-6=12
We move all terms to the left:
-x/2-6-(12)=0
We add all the numbers together, and all the variables
-x/2-18=0
We multiply all the terms by the denominator
-x-18*2=0
We add all the numbers together, and all the variables
-1x-36=0
We move all terms containing x to the left, all other terms to the right
-x=36
x=36/-1
x=-36
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