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Simplifying (N + -7)(n + -4) = 0 Reorder the terms: (-7 + N)(n + -4) = 0 Reorder the terms: (-7 + N)(-4 + n) = 0 Multiply (-7 + N) * (-4 + n) (-7(-4 + n) + N(-4 + n)) = 0 ((-4 * -7 + n * -7) + N(-4 + n)) = 0 ((28 + -7n) + N(-4 + n)) = 0 (28 + -7n + (-4 * N + n * N)) = 0 (28 + -7n + (-4N + nN)) = 0 Reorder the terms: (28 + -4N + -7n + nN) = 0 (28 + -4N + -7n + nN) = 0 Solving 28 + -4N + -7n + nN = 0 Solving for variable 'N'. Move all terms containing N to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -4N + -7n + -28 + nN = 0 + -28 Reorder the terms: 28 + -28 + -4N + -7n + nN = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -4N + -7n + nN = 0 + -28 -4N + -7n + nN = 0 + -28 Combine like terms: 0 + -28 = -28 -4N + -7n + nN = -28 Add '7n' to each side of the equation. -4N + -7n + 7n + nN = -28 + 7n Combine like terms: -7n + 7n = 0 -4N + 0 + nN = -28 + 7n -4N + nN = -28 + 7n Reorder the terms: 28 + -4N + -7n + nN = -28 + 7n + 28 + -7n Reorder the terms: 28 + -4N + -7n + nN = -28 + 28 + 7n + -7n Combine like terms: -28 + 28 = 0 28 + -4N + -7n + nN = 0 + 7n + -7n 28 + -4N + -7n + nN = 7n + -7n Combine like terms: 7n + -7n = 0 28 + -4N + -7n + nN = 0 The solution to this equation could not be determined.
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