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Simplifying 7(x + -3)(X + 1) = 1 Reorder the terms: 7(-3 + x)(X + 1) = 1 Reorder the terms: 7(-3 + x)(1 + X) = 1 Multiply (-3 + x) * (1 + X) 7(-3(1 + X) + x(1 + X)) = 1 7((1 * -3 + X * -3) + x(1 + X)) = 1 7((-3 + -3X) + x(1 + X)) = 1 7(-3 + -3X + (1 * x + X * x)) = 1 7(-3 + -3X + (1x + xX)) = 1 7(-3 + -3X + 1x + xX) = 1 (-3 * 7 + -3X * 7 + 1x * 7 + xX * 7) = 1 (-21 + -21X + 7x + 7xX) = 1 Solving -21 + -21X + 7x + 7xX = 1 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '21' to each side of the equation. -21 + -21X + 7x + 21 + 7xX = 1 + 21 Reorder the terms: -21 + 21 + -21X + 7x + 7xX = 1 + 21 Combine like terms: -21 + 21 = 0 0 + -21X + 7x + 7xX = 1 + 21 -21X + 7x + 7xX = 1 + 21 Combine like terms: 1 + 21 = 22 -21X + 7x + 7xX = 22 Add '-7x' to each side of the equation. -21X + 7x + -7x + 7xX = 22 + -7x Combine like terms: 7x + -7x = 0 -21X + 0 + 7xX = 22 + -7x -21X + 7xX = 22 + -7x Reorder the terms: -22 + -21X + 7x + 7xX = 22 + -7x + -22 + 7x Reorder the terms: -22 + -21X + 7x + 7xX = 22 + -22 + -7x + 7x Combine like terms: 22 + -22 = 0 -22 + -21X + 7x + 7xX = 0 + -7x + 7x -22 + -21X + 7x + 7xX = -7x + 7x Combine like terms: -7x + 7x = 0 -22 + -21X + 7x + 7xX = 0 The solution to this equation could not be determined.
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