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c+8.45=12.20
We move all terms to the left:
c+8.45-(12.20)=0
We add all the numbers together, and all the variables
c+8.45-(12.2)=0
We add all the numbers together, and all the variables
c-3.75=0
We move all terms containing c to the left, all other terms to the right
c=3.75
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