13c-7c+3c-7=20

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Solution for 13c-7c+3c-7=20 equation:



13c-7c+3c-7=20
We move all terms to the left:
13c-7c+3c-7-(20)=0
We add all the numbers together, and all the variables
9c-27=0
We move all terms containing c to the left, all other terms to the right
9c=27
c=27/9
c=3

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