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Simplifying 4(3x + 5) = 12x + 20 + -2 Reorder the terms: 4(5 + 3x) = 12x + 20 + -2 (5 * 4 + 3x * 4) = 12x + 20 + -2 (20 + 12x) = 12x + 20 + -2 Reorder the terms: 20 + 12x = 20 + -2 + 12x Combine like terms: 20 + -2 = 18 20 + 12x = 18 + 12x Add '-12x' to each side of the equation. 20 + 12x + -12x = 18 + 12x + -12x Combine like terms: 12x + -12x = 0 20 + 0 = 18 + 12x + -12x 20 = 18 + 12x + -12x Combine like terms: 12x + -12x = 0 20 = 18 + 0 20 = 18 Solving 20 = 18 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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