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Simplifying -9(3m + 9) = -27m Reorder the terms: -9(9 + 3m) = -27m (9 * -9 + 3m * -9) = -27m (-81 + -27m) = -27m Add '27m' to each side of the equation. -81 + -27m + 27m = -27m + 27m Combine like terms: -27m + 27m = 0 -81 + 0 = -27m + 27m -81 = -27m + 27m Combine like terms: -27m + 27m = 0 -81 = 0 Solving -81 = 0 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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