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-x/2-8=1
We move all terms to the left:
-x/2-8-(1)=0
We add all the numbers together, and all the variables
-x/2-9=0
We multiply all the terms by the denominator
-x-9*2=0
We add all the numbers together, and all the variables
-1x-18=0
We move all terms containing x to the left, all other terms to the right
-x=18
x=18/-1
x=-18
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