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Simplifying 3x + 17x + -7 = 5(4x + 9) Reorder the terms: -7 + 3x + 17x = 5(4x + 9) Combine like terms: 3x + 17x = 20x -7 + 20x = 5(4x + 9) Reorder the terms: -7 + 20x = 5(9 + 4x) -7 + 20x = (9 * 5 + 4x * 5) -7 + 20x = (45 + 20x) Add '-20x' to each side of the equation. -7 + 20x + -20x = 45 + 20x + -20x Combine like terms: 20x + -20x = 0 -7 + 0 = 45 + 20x + -20x -7 = 45 + 20x + -20x Combine like terms: 20x + -20x = 0 -7 = 45 + 0 -7 = 45 Solving -7 = 45 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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