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Simplifying X2 + Y2 + 8Y + 7 = 0 Reorder the terms: 7 + X2 + 8Y + Y2 = 0 Solving 7 + X2 + 8Y + Y2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + X2 + 8Y + -7 + Y2 = 0 + -7 Reorder the terms: 7 + -7 + X2 + 8Y + Y2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + X2 + 8Y + Y2 = 0 + -7 X2 + 8Y + Y2 = 0 + -7 Combine like terms: 0 + -7 = -7 X2 + 8Y + Y2 = -7 Add '-8Y' to each side of the equation. X2 + 8Y + -8Y + Y2 = -7 + -8Y Combine like terms: 8Y + -8Y = 0 X2 + 0 + Y2 = -7 + -8Y X2 + Y2 = -7 + -8Y Add '-1Y2' to each side of the equation. X2 + Y2 + -1Y2 = -7 + -8Y + -1Y2 Combine like terms: Y2 + -1Y2 = 0 X2 + 0 = -7 + -8Y + -1Y2 X2 = -7 + -8Y + -1Y2 Simplifying X2 = -7 + -8Y + -1Y2 Reorder the terms: 7 + X2 + 8Y + Y2 = -7 + -8Y + -1Y2 + 7 + 8Y + Y2 Reorder the terms: 7 + X2 + 8Y + Y2 = -7 + 7 + -8Y + 8Y + -1Y2 + Y2 Combine like terms: -7 + 7 = 0 7 + X2 + 8Y + Y2 = 0 + -8Y + 8Y + -1Y2 + Y2 7 + X2 + 8Y + Y2 = -8Y + 8Y + -1Y2 + Y2 Combine like terms: -8Y + 8Y = 0 7 + X2 + 8Y + Y2 = 0 + -1Y2 + Y2 7 + X2 + 8Y + Y2 = -1Y2 + Y2 Combine like terms: -1Y2 + Y2 = 0 7 + X2 + 8Y + Y2 = 0 The solution to this equation could not be determined.
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