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-8+u/2=-14
We move all terms to the left:
-8+u/2-(-14)=0
We add all the numbers together, and all the variables
u/2+6=0
We multiply all the terms by the denominator
u+6*2=0
We add all the numbers together, and all the variables
u+12=0
We move all terms containing u to the left, all other terms to the right
u=-12
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