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2(3.14)c=56.5
We move all terms to the left:
2(3.14)c-(56.5)=0
We add all the numbers together, and all the variables
2(3.14)c-56.5=0
We multiply parentheses
6.28c-56.5=0
We move all terms containing c to the left, all other terms to the right
6.28c=56.5
c=56.5/6.28
c=8+1/1.00319488818
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