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15c+16=-3+16c
We move all terms to the left:
15c+16-(-3+16c)=0
We add all the numbers together, and all the variables
15c-(16c-3)+16=0
We get rid of parentheses
15c-16c+3+16=0
We add all the numbers together, and all the variables
-1c+19=0
We move all terms containing c to the left, all other terms to the right
-c=-19
c=-19/-1
c=+19
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