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Simplifying (4.9c + 2)(3.9) = 0 Reorder the terms: (2 + 4.9c)(3.9) = 0 Reorder the terms for easier multiplication: 3.9(2 + 4.9c) = 0 (2 * 3.9 + 4.9c * 3.9) = 0 (7.8 + 19.11c) = 0 Solving 7.8 + 19.11c = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-7.8' to each side of the equation. 7.8 + -7.8 + 19.11c = 0 + -7.8 Combine like terms: 7.8 + -7.8 = 0.0 0.0 + 19.11c = 0 + -7.8 19.11c = 0 + -7.8 Combine like terms: 0 + -7.8 = -7.8 19.11c = -7.8 Divide each side by '19.11'. c = -0.4081632653 Simplifying c = -0.4081632653
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