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Simplifying 7 + 8m = 9m Solving 7 + 8m = 9m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-9m' to each side of the equation. 7 + 8m + -9m = 9m + -9m Combine like terms: 8m + -9m = -1m 7 + -1m = 9m + -9m Combine like terms: 9m + -9m = 0 7 + -1m = 0 Add '-7' to each side of the equation. 7 + -7 + -1m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1m = 0 + -7 -1m = 0 + -7 Combine like terms: 0 + -7 = -7 -1m = -7 Divide each side by '-1'. m = 7 Simplifying m = 7
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