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c/61=0.87
We move all terms to the left:
c/61-(0.87)=0
We add all the numbers together, and all the variables
c/61-0.87=0
We multiply all the terms by the denominator
c-(0.87)*61=0
We add all the numbers together, and all the variables
c-53.07=0
We move all terms containing c to the left, all other terms to the right
c=53.07
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