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