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999999999999999999999999999999999999999999999999999999=6c
We move all terms to the left:
999999999999999999999999999999999999999999999999999999-(6c)=0
We add all the numbers together, and all the variables
-6c+54+1.0E=0
We add all the numbers together, and all the variables
-6c+56.718281828459=0
We move all terms containing c to the left, all other terms to the right
-6c=-56.718281828459
c=-56.718281828459/-6
c=9+1/2.2072766470287
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