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Simplifying 4(c + 7) = 4(c + -5) Reorder the terms: 4(7 + c) = 4(c + -5) (7 * 4 + c * 4) = 4(c + -5) (28 + 4c) = 4(c + -5) Reorder the terms: 28 + 4c = 4(-5 + c) 28 + 4c = (-5 * 4 + c * 4) 28 + 4c = (-20 + 4c) Add '-4c' to each side of the equation. 28 + 4c + -4c = -20 + 4c + -4c Combine like terms: 4c + -4c = 0 28 + 0 = -20 + 4c + -4c 28 = -20 + 4c + -4c Combine like terms: 4c + -4c = 0 28 = -20 + 0 28 = -20 Solving 28 = -20 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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