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Simplifying M = 0.8(220 + -1a) M = (220 * 0.8 + -1a * 0.8) M = (176 + -0.8a) Solving M = 176 + -0.8a Solving for variable 'M'. Move all terms containing M to the left, all other terms to the right. Simplifying M = 176 + -0.8a
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