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-8+x/2=-15
We move all terms to the left:
-8+x/2-(-15)=0
We add all the numbers together, and all the variables
x/2+7=0
We multiply all the terms by the denominator
x+7*2=0
We add all the numbers together, and all the variables
x+14=0
We move all terms containing x to the left, all other terms to the right
x=-14
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