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Simplifying -1(2m + -1) + -5m = -7(m + -7) + -7 Reorder the terms: -1(-1 + 2m) + -5m = -7(m + -7) + -7 (-1 * -1 + 2m * -1) + -5m = -7(m + -7) + -7 (1 + -2m) + -5m = -7(m + -7) + -7 Combine like terms: -2m + -5m = -7m 1 + -7m = -7(m + -7) + -7 Reorder the terms: 1 + -7m = -7(-7 + m) + -7 1 + -7m = (-7 * -7 + m * -7) + -7 1 + -7m = (49 + -7m) + -7 Reorder the terms: 1 + -7m = 49 + -7 + -7m Combine like terms: 49 + -7 = 42 1 + -7m = 42 + -7m Add '7m' to each side of the equation. 1 + -7m + 7m = 42 + -7m + 7m Combine like terms: -7m + 7m = 0 1 + 0 = 42 + -7m + 7m 1 = 42 + -7m + 7m Combine like terms: -7m + 7m = 0 1 = 42 + 0 1 = 42 Solving 1 = 42 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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