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Simplifying 512 = 8(8 + -7m) 512 = (8 * 8 + -7m * 8) 512 = (64 + -56m) Solving 512 = 64 + -56m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '56m' to each side of the equation. 512 + 56m = 64 + -56m + 56m Combine like terms: -56m + 56m = 0 512 + 56m = 64 + 0 512 + 56m = 64 Add '-512' to each side of the equation. 512 + -512 + 56m = 64 + -512 Combine like terms: 512 + -512 = 0 0 + 56m = 64 + -512 56m = 64 + -512 Combine like terms: 64 + -512 = -448 56m = -448 Divide each side by '56'. m = -8 Simplifying m = -8
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