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Simplifying 2m + -1(5m + 7) = -1(3m + 7) Reorder the terms: 2m + -1(7 + 5m) = -1(3m + 7) 2m + (7 * -1 + 5m * -1) = -1(3m + 7) 2m + (-7 + -5m) = -1(3m + 7) Reorder the terms: -7 + 2m + -5m = -1(3m + 7) Combine like terms: 2m + -5m = -3m -7 + -3m = -1(3m + 7) Reorder the terms: -7 + -3m = -1(7 + 3m) -7 + -3m = (7 * -1 + 3m * -1) -7 + -3m = (-7 + -3m) Add '7' to each side of the equation. -7 + 7 + -3m = -7 + 7 + -3m Combine like terms: -7 + 7 = 0 0 + -3m = -7 + 7 + -3m -3m = -7 + 7 + -3m Combine like terms: -7 + 7 = 0 -3m = 0 + -3m -3m = -3m Add '3m' to each side of the equation. -3m + 3m = -3m + 3m Combine like terms: -3m + 3m = 0 0 = -3m + 3m Combine like terms: -3m + 3m = 0 0 = 0 Solving 0 = 0 Couldn't find a variable to solve for. This equation is an identity, all real numbers are solutions.
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