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Simplifying 13(v + 1) + -4v = 3(3v + 3) + -15 Reorder the terms: 13(1 + v) + -4v = 3(3v + 3) + -15 (1 * 13 + v * 13) + -4v = 3(3v + 3) + -15 (13 + 13v) + -4v = 3(3v + 3) + -15 Combine like terms: 13v + -4v = 9v 13 + 9v = 3(3v + 3) + -15 Reorder the terms: 13 + 9v = 3(3 + 3v) + -15 13 + 9v = (3 * 3 + 3v * 3) + -15 13 + 9v = (9 + 9v) + -15 Reorder the terms: 13 + 9v = 9 + -15 + 9v Combine like terms: 9 + -15 = -6 13 + 9v = -6 + 9v Add '-9v' to each side of the equation. 13 + 9v + -9v = -6 + 9v + -9v Combine like terms: 9v + -9v = 0 13 + 0 = -6 + 9v + -9v 13 = -6 + 9v + -9v Combine like terms: 9v + -9v = 0 13 = -6 + 0 13 = -6 Solving 13 = -6 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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