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Simplifying 21 = -10m + -30 Reorder the terms: 21 = -30 + -10m Solving 21 = -30 + -10m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '10m' to each side of the equation. 21 + 10m = -30 + -10m + 10m Combine like terms: -10m + 10m = 0 21 + 10m = -30 + 0 21 + 10m = -30 Add '-21' to each side of the equation. 21 + -21 + 10m = -30 + -21 Combine like terms: 21 + -21 = 0 0 + 10m = -30 + -21 10m = -30 + -21 Combine like terms: -30 + -21 = -51 10m = -51 Divide each side by '10'. m = -5.1 Simplifying m = -5.1
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