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-8=-c/4-11
We move all terms to the left:
-8-(-c/4-11)=0
We get rid of parentheses
c/4+11-8=0
We multiply all the terms by the denominator
c+11*4-8*4=0
We add all the numbers together, and all the variables
c+12=0
We move all terms containing c to the left, all other terms to the right
c=-12
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