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-6.8c-45.9=-3.1c+5.9
We move all terms to the left:
-6.8c-45.9-(-3.1c+5.9)=0
We get rid of parentheses
-6.8c+3.1c-5.9-45.9=0
We add all the numbers together, and all the variables
-3.7c-51.8=0
We move all terms containing c to the left, all other terms to the right
-3.7c=51.8
c=51.8/-3.7
c=-13+1/1
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