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Simplifying 10(v + 4) + -4v = 2(3v + 3) + -7 Reorder the terms: 10(4 + v) + -4v = 2(3v + 3) + -7 (4 * 10 + v * 10) + -4v = 2(3v + 3) + -7 (40 + 10v) + -4v = 2(3v + 3) + -7 Combine like terms: 10v + -4v = 6v 40 + 6v = 2(3v + 3) + -7 Reorder the terms: 40 + 6v = 2(3 + 3v) + -7 40 + 6v = (3 * 2 + 3v * 2) + -7 40 + 6v = (6 + 6v) + -7 Reorder the terms: 40 + 6v = 6 + -7 + 6v Combine like terms: 6 + -7 = -1 40 + 6v = -1 + 6v Add '-6v' to each side of the equation. 40 + 6v + -6v = -1 + 6v + -6v Combine like terms: 6v + -6v = 0 40 + 0 = -1 + 6v + -6v 40 = -1 + 6v + -6v Combine like terms: 6v + -6v = 0 40 = -1 + 0 40 = -1 Solving 40 = -1 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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