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Simplifying (M + -9)(m + 7) = -15 Reorder the terms: (-9 + M)(m + 7) = -15 Reorder the terms: (-9 + M)(7 + m) = -15 Multiply (-9 + M) * (7 + m) (-9(7 + m) + M(7 + m)) = -15 ((7 * -9 + m * -9) + M(7 + m)) = -15 ((-63 + -9m) + M(7 + m)) = -15 (-63 + -9m + (7 * M + m * M)) = -15 (-63 + -9m + (7M + mM)) = -15 Reorder the terms: (-63 + 7M + -9m + mM) = -15 (-63 + 7M + -9m + mM) = -15 Solving -63 + 7M + -9m + mM = -15 Solving for variable 'M'. Move all terms containing M to the left, all other terms to the right. Add '63' to each side of the equation. -63 + 7M + -9m + 63 + mM = -15 + 63 Reorder the terms: -63 + 63 + 7M + -9m + mM = -15 + 63 Combine like terms: -63 + 63 = 0 0 + 7M + -9m + mM = -15 + 63 7M + -9m + mM = -15 + 63 Combine like terms: -15 + 63 = 48 7M + -9m + mM = 48 Add '9m' to each side of the equation. 7M + -9m + 9m + mM = 48 + 9m Combine like terms: -9m + 9m = 0 7M + 0 + mM = 48 + 9m 7M + mM = 48 + 9m Reorder the terms: -48 + 7M + -9m + mM = 48 + 9m + -48 + -9m Reorder the terms: -48 + 7M + -9m + mM = 48 + -48 + 9m + -9m Combine like terms: 48 + -48 = 0 -48 + 7M + -9m + mM = 0 + 9m + -9m -48 + 7M + -9m + mM = 9m + -9m Combine like terms: 9m + -9m = 0 -48 + 7M + -9m + mM = 0 The solution to this equation could not be determined.
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