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Simplifying xy + 2x + 9y + 18 = 0 Reorder the terms: 18 + 2x + xy + 9y = 0 Solving 18 + 2x + xy + 9y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + 2x + xy + -18 + 9y = 0 + -18 Reorder the terms: 18 + -18 + 2x + xy + 9y = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 2x + xy + 9y = 0 + -18 2x + xy + 9y = 0 + -18 Combine like terms: 0 + -18 = -18 2x + xy + 9y = -18 Add '-9y' to each side of the equation. 2x + xy + 9y + -9y = -18 + -9y Combine like terms: 9y + -9y = 0 2x + xy + 0 = -18 + -9y 2x + xy = -18 + -9y Reorder the terms: 18 + 2x + xy + 9y = -18 + -9y + 18 + 9y Reorder the terms: 18 + 2x + xy + 9y = -18 + 18 + -9y + 9y Combine like terms: -18 + 18 = 0 18 + 2x + xy + 9y = 0 + -9y + 9y 18 + 2x + xy + 9y = -9y + 9y Combine like terms: -9y + 9y = 0 18 + 2x + xy + 9y = 0 The solution to this equation could not be determined.
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