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Simplifying 20(6 + x + -4) = 20x Reorder the terms: 20(6 + -4 + x) = 20x Combine like terms: 6 + -4 = 2 20(2 + x) = 20x (2 * 20 + x * 20) = 20x (40 + 20x) = 20x Add '-20x' to each side of the equation. 40 + 20x + -20x = 20x + -20x Combine like terms: 20x + -20x = 0 40 + 0 = 20x + -20x 40 = 20x + -20x Combine like terms: 20x + -20x = 0 40 = 0 Solving 40 = 0 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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