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Simplifying 81 = -3(m + 2) + 2m Reorder the terms: 81 = -3(2 + m) + 2m 81 = (2 * -3 + m * -3) + 2m 81 = (-6 + -3m) + 2m Combine like terms: -3m + 2m = -1m 81 = -6 + -1m Solving 81 = -6 + -1m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add 'm' to each side of the equation. 81 + m = -6 + -1m + m Combine like terms: -1m + m = 0 81 + m = -6 + 0 81 + m = -6 Add '-81' to each side of the equation. 81 + -81 + m = -6 + -81 Combine like terms: 81 + -81 = 0 0 + m = -6 + -81 m = -6 + -81 Combine like terms: -6 + -81 = -87 m = -87 Simplifying m = -87
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