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Simplifying 7c + 13 = 55 Reorder the terms: 13 + 7c = 55 Solving 13 + 7c = 55 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + 7c = 55 + -13 Combine like terms: 13 + -13 = 0 0 + 7c = 55 + -13 7c = 55 + -13 Combine like terms: 55 + -13 = 42 7c = 42 Divide each side by '7'. c = 6 Simplifying c = 6
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