20c-20c+5c-2c=9

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Solution for 20c-20c+5c-2c=9 equation:



20c-20c+5c-2c=9
We move all terms to the left:
20c-20c+5c-2c-(9)=0
We add all the numbers together, and all the variables
3c-9=0
We move all terms containing c to the left, all other terms to the right
3c=9
c=9/3
c=3

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