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Simplifying x2 + 4y2 + 16y + -20 = 0 Reorder the terms: -20 + x2 + 16y + 4y2 = 0 Solving -20 + x2 + 16y + 4y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + x2 + 16y + 20 + 4y2 = 0 + 20 Reorder the terms: -20 + 20 + x2 + 16y + 4y2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + x2 + 16y + 4y2 = 0 + 20 x2 + 16y + 4y2 = 0 + 20 Combine like terms: 0 + 20 = 20 x2 + 16y + 4y2 = 20 Add '-16y' to each side of the equation. x2 + 16y + -16y + 4y2 = 20 + -16y Combine like terms: 16y + -16y = 0 x2 + 0 + 4y2 = 20 + -16y x2 + 4y2 = 20 + -16y Add '-4y2' to each side of the equation. x2 + 4y2 + -4y2 = 20 + -16y + -4y2 Combine like terms: 4y2 + -4y2 = 0 x2 + 0 = 20 + -16y + -4y2 x2 = 20 + -16y + -4y2 Simplifying x2 = 20 + -16y + -4y2 Reorder the terms: -20 + x2 + 16y + 4y2 = 20 + -16y + -4y2 + -20 + 16y + 4y2 Reorder the terms: -20 + x2 + 16y + 4y2 = 20 + -20 + -16y + 16y + -4y2 + 4y2 Combine like terms: 20 + -20 = 0 -20 + x2 + 16y + 4y2 = 0 + -16y + 16y + -4y2 + 4y2 -20 + x2 + 16y + 4y2 = -16y + 16y + -4y2 + 4y2 Combine like terms: -16y + 16y = 0 -20 + x2 + 16y + 4y2 = 0 + -4y2 + 4y2 -20 + x2 + 16y + 4y2 = -4y2 + 4y2 Combine like terms: -4y2 + 4y2 = 0 -20 + x2 + 16y + 4y2 = 0 The solution to this equation could not be determined.
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