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Simplifying 20x + 70x + -13 = 18(5x + 17) Reorder the terms: -13 + 20x + 70x = 18(5x + 17) Combine like terms: 20x + 70x = 90x -13 + 90x = 18(5x + 17) Reorder the terms: -13 + 90x = 18(17 + 5x) -13 + 90x = (17 * 18 + 5x * 18) -13 + 90x = (306 + 90x) Add '-90x' to each side of the equation. -13 + 90x + -90x = 306 + 90x + -90x Combine like terms: 90x + -90x = 0 -13 + 0 = 306 + 90x + -90x -13 = 306 + 90x + -90x Combine like terms: 90x + -90x = 0 -13 = 306 + 0 -13 = 306 Solving -13 = 306 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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