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9.75c=20.75
We move all terms to the left:
9.75c-(20.75)=0
We add all the numbers together, and all the variables
9.75c-20.75=0
We move all terms containing c to the left, all other terms to the right
9.75c=20.75
c=20.75/9.75
c=2+1/7.8
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