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Simplifying 21x + -3mx = m + -13 Reorder the terms: -3mx + 21x = m + -13 Reorder the terms: -3mx + 21x = -13 + m Solving -3mx + 21x = -13 + m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1m' to each side of the equation. -3mx + -1m + 21x = -13 + m + -1m Reorder the terms: -1m + -3mx + 21x = -13 + m + -1m Combine like terms: m + -1m = 0 -1m + -3mx + 21x = -13 + 0 -1m + -3mx + 21x = -13 Add '-21x' to each side of the equation. -1m + -3mx + 21x + -21x = -13 + -21x Combine like terms: 21x + -21x = 0 -1m + -3mx + 0 = -13 + -21x -1m + -3mx = -13 + -21x Reorder the terms: 13 + -1m + -3mx + 21x = -13 + -21x + 13 + 21x Reorder the terms: 13 + -1m + -3mx + 21x = -13 + 13 + -21x + 21x Combine like terms: -13 + 13 = 0 13 + -1m + -3mx + 21x = 0 + -21x + 21x 13 + -1m + -3mx + 21x = -21x + 21x Combine like terms: -21x + 21x = 0 13 + -1m + -3mx + 21x = 0 The solution to this equation could not be determined.
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