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Simplifying 7(v + 4) + -3v = 2(2v + 1) + -7 Reorder the terms: 7(4 + v) + -3v = 2(2v + 1) + -7 (4 * 7 + v * 7) + -3v = 2(2v + 1) + -7 (28 + 7v) + -3v = 2(2v + 1) + -7 Combine like terms: 7v + -3v = 4v 28 + 4v = 2(2v + 1) + -7 Reorder the terms: 28 + 4v = 2(1 + 2v) + -7 28 + 4v = (1 * 2 + 2v * 2) + -7 28 + 4v = (2 + 4v) + -7 Reorder the terms: 28 + 4v = 2 + -7 + 4v Combine like terms: 2 + -7 = -5 28 + 4v = -5 + 4v Add '-4v' to each side of the equation. 28 + 4v + -4v = -5 + 4v + -4v Combine like terms: 4v + -4v = 0 28 + 0 = -5 + 4v + -4v 28 = -5 + 4v + -4v Combine like terms: 4v + -4v = 0 28 = -5 + 0 28 = -5 Solving 28 = -5 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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