20+c+7c-13=15c+16-7c-9

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Solution for 20+c+7c-13=15c+16-7c-9 equation:



20+c+7c-13=15c+16-7c-9
We move all terms to the left:
20+c+7c-13-(15c+16-7c-9)=0
We add all the numbers together, and all the variables
c+7c-(8c+7)+20-13=0
We add all the numbers together, and all the variables
8c-(8c+7)+7=0
We get rid of parentheses
8c-8c-7+7=0
We add all the numbers together, and all the variables
=0
c=0/1
c=0

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