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-x/2=6.5
We move all terms to the left:
-x/2-(6.5)=0
We add all the numbers together, and all the variables
-x/2-6.5=0
We multiply all the terms by the denominator
-x-(6.5)*2=0
We add all the numbers together, and all the variables
-1x-13=0
We move all terms containing x to the left, all other terms to the right
-x=13
x=13/-1
x=-13
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