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Simplifying (X + 1)(x + -3) = 7 Reorder the terms: (1 + X)(x + -3) = 7 Reorder the terms: (1 + X)(-3 + x) = 7 Multiply (1 + X) * (-3 + x) (1(-3 + x) + X(-3 + x)) = 7 ((-3 * 1 + x * 1) + X(-3 + x)) = 7 ((-3 + 1x) + X(-3 + x)) = 7 (-3 + 1x + (-3 * X + x * X)) = 7 (-3 + 1x + (-3X + xX)) = 7 Reorder the terms: (-3 + -3X + 1x + xX) = 7 (-3 + -3X + 1x + xX) = 7 Solving -3 + -3X + 1x + xX = 7 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '3' to each side of the equation. -3 + -3X + 1x + 3 + xX = 7 + 3 Reorder the terms: -3 + 3 + -3X + 1x + xX = 7 + 3 Combine like terms: -3 + 3 = 0 0 + -3X + 1x + xX = 7 + 3 -3X + 1x + xX = 7 + 3 Combine like terms: 7 + 3 = 10 -3X + 1x + xX = 10 Add '-1x' to each side of the equation. -3X + 1x + -1x + xX = 10 + -1x Combine like terms: 1x + -1x = 0 -3X + 0 + xX = 10 + -1x -3X + xX = 10 + -1x Reorder the terms: -10 + -3X + x + xX = 10 + -1x + -10 + x Reorder the terms: -10 + -3X + x + xX = 10 + -10 + -1x + x Combine like terms: 10 + -10 = 0 -10 + -3X + x + xX = 0 + -1x + x -10 + -3X + x + xX = -1x + x Combine like terms: -1x + x = 0 -10 + -3X + x + xX = 0 The solution to this equation could not be determined.
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