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Simplifying 20k + 42 = 5(4k + 8) Reorder the terms: 42 + 20k = 5(4k + 8) Reorder the terms: 42 + 20k = 5(8 + 4k) 42 + 20k = (8 * 5 + 4k * 5) 42 + 20k = (40 + 20k) Add '-20k' to each side of the equation. 42 + 20k + -20k = 40 + 20k + -20k Combine like terms: 20k + -20k = 0 42 + 0 = 40 + 20k + -20k 42 = 40 + 20k + -20k Combine like terms: 20k + -20k = 0 42 = 40 + 0 42 = 40 Solving 42 = 40 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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