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Simplifying 18(v + 1) + -2v = 4(4v + 1) + -7 Reorder the terms: 18(1 + v) + -2v = 4(4v + 1) + -7 (1 * 18 + v * 18) + -2v = 4(4v + 1) + -7 (18 + 18v) + -2v = 4(4v + 1) + -7 Combine like terms: 18v + -2v = 16v 18 + 16v = 4(4v + 1) + -7 Reorder the terms: 18 + 16v = 4(1 + 4v) + -7 18 + 16v = (1 * 4 + 4v * 4) + -7 18 + 16v = (4 + 16v) + -7 Reorder the terms: 18 + 16v = 4 + -7 + 16v Combine like terms: 4 + -7 = -3 18 + 16v = -3 + 16v Add '-16v' to each side of the equation. 18 + 16v + -16v = -3 + 16v + -16v Combine like terms: 16v + -16v = 0 18 + 0 = -3 + 16v + -16v 18 = -3 + 16v + -16v Combine like terms: 16v + -16v = 0 18 = -3 + 0 18 = -3 Solving 18 = -3 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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