-20-6c=12-5-9c

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Solution for -20-6c=12-5-9c equation:



-20-6c=12-5-9c
We move all terms to the left:
-20-6c-(12-5-9c)=0
We add all the numbers together, and all the variables
-6c-(-9c+7)-20=0
We get rid of parentheses
-6c+9c-7-20=0
We add all the numbers together, and all the variables
3c-27=0
We move all terms containing c to the left, all other terms to the right
3c=27
c=27/3
c=9

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