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8c+2.7=13.5
We move all terms to the left:
8c+2.7-(13.5)=0
We add all the numbers together, and all the variables
8c-10.8=0
We move all terms containing c to the left, all other terms to the right
8c=10.8
c=10.8/8
c=1+1/2.8571428571429
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