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