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Simplifying 8 = 4m + 9m + -7 Reorder the terms: 8 = -7 + 4m + 9m Combine like terms: 4m + 9m = 13m 8 = -7 + 13m Solving 8 = -7 + 13m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-13m' to each side of the equation. 8 + -13m = -7 + 13m + -13m Combine like terms: 13m + -13m = 0 8 + -13m = -7 + 0 8 + -13m = -7 Add '-8' to each side of the equation. 8 + -8 + -13m = -7 + -8 Combine like terms: 8 + -8 = 0 0 + -13m = -7 + -8 -13m = -7 + -8 Combine like terms: -7 + -8 = -15 -13m = -15 Divide each side by '-13'. m = 1.153846154 Simplifying m = 1.153846154
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