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Simplifying 2y2 + x2 + -4y + -18 = 0 Reorder the terms: -18 + x2 + -4y + 2y2 = 0 Solving -18 + x2 + -4y + 2y2 = 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 + x2 + -4y + 18 + 2y2 = 0 + 18 Reorder the terms: -18 + 18 + x2 + -4y + 2y2 = 0 + 18 Combine like terms: -18 + 18 = 0 0 + x2 + -4y + 2y2 = 0 + 18 x2 + -4y + 2y2 = 0 + 18 Combine like terms: 0 + 18 = 18 x2 + -4y + 2y2 = 18 Add '4y' to each side of the equation. x2 + -4y + 4y + 2y2 = 18 + 4y Combine like terms: -4y + 4y = 0 x2 + 0 + 2y2 = 18 + 4y x2 + 2y2 = 18 + 4y Add '-2y2' to each side of the equation. x2 + 2y2 + -2y2 = 18 + 4y + -2y2 Combine like terms: 2y2 + -2y2 = 0 x2 + 0 = 18 + 4y + -2y2 x2 = 18 + 4y + -2y2 Simplifying x2 = 18 + 4y + -2y2 Reorder the terms: -18 + x2 + -4y + 2y2 = 18 + 4y + -2y2 + -18 + -4y + 2y2 Reorder the terms: -18 + x2 + -4y + 2y2 = 18 + -18 + 4y + -4y + -2y2 + 2y2 Combine like terms: 18 + -18 = 0 -18 + x2 + -4y + 2y2 = 0 + 4y + -4y + -2y2 + 2y2 -18 + x2 + -4y + 2y2 = 4y + -4y + -2y2 + 2y2 Combine like terms: 4y + -4y = 0 -18 + x2 + -4y + 2y2 = 0 + -2y2 + 2y2 -18 + x2 + -4y + 2y2 = -2y2 + 2y2 Combine like terms: -2y2 + 2y2 = 0 -18 + x2 + -4y + 2y2 = 0 The solution to this equation could not be determined.
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