6c+6c-9c-1=20

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Solution for 6c+6c-9c-1=20 equation:



6c+6c-9c-1=20
We move all terms to the left:
6c+6c-9c-1-(20)=0
We add all the numbers together, and all the variables
3c-21=0
We move all terms containing c to the left, all other terms to the right
3c=21
c=21/3
c=7

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