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28.40=c+16
We move all terms to the left:
28.40-(c+16)=0
We add all the numbers together, and all the variables
-(c+16)+28.4=0
We get rid of parentheses
-c-16+28.4=0
We add all the numbers together, and all the variables
-1c+12.4=0
We move all terms containing c to the left, all other terms to the right
-c=-12.4
c=-12.4/-1
c=12+0.4/1
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