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Simplifying 20(v + 1) + -4v = 4(4v + 2) + -12 Reorder the terms: 20(1 + v) + -4v = 4(4v + 2) + -12 (1 * 20 + v * 20) + -4v = 4(4v + 2) + -12 (20 + 20v) + -4v = 4(4v + 2) + -12 Combine like terms: 20v + -4v = 16v 20 + 16v = 4(4v + 2) + -12 Reorder the terms: 20 + 16v = 4(2 + 4v) + -12 20 + 16v = (2 * 4 + 4v * 4) + -12 20 + 16v = (8 + 16v) + -12 Reorder the terms: 20 + 16v = 8 + -12 + 16v Combine like terms: 8 + -12 = -4 20 + 16v = -4 + 16v Add '-16v' to each side of the equation. 20 + 16v + -16v = -4 + 16v + -16v Combine like terms: 16v + -16v = 0 20 + 0 = -4 + 16v + -16v 20 = -4 + 16v + -16v Combine like terms: 16v + -16v = 0 20 = -4 + 0 20 = -4 Solving 20 = -4 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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