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-7.45=-c/0.4-2.7
We move all terms to the left:
-7.45-(-c/0.4-2.7)=0
We get rid of parentheses
c/0.4+2.7-7.45=0
We multiply all the terms by the denominator
c+(2.7)*0.4-(7.45)*0.4=0
We add all the numbers together, and all the variables
c-1.9=0
We move all terms containing c to the left, all other terms to the right
c=1.9
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