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Simplifying c = 2(3.14) * 7.5 Multiply 2 * 3.14 c = 6.28 * 7.5 Multiply 6.28 * 7.5 c = 47.1 Solving c = 47.1 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Simplifying c = 47.1
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