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Simplifying 5x2 + -4y2 + -20 = 0 Reorder the terms: -20 + 5x2 + -4y2 = 0 Solving -20 + 5x2 + -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 + 5x2 + 20 + -4y2 = 0 + 20 Reorder the terms: -20 + 20 + 5x2 + -4y2 = 0 + 20 Combine like terms: -20 + 20 = 0 0 + 5x2 + -4y2 = 0 + 20 5x2 + -4y2 = 0 + 20 Combine like terms: 0 + 20 = 20 5x2 + -4y2 = 20 Add '4y2' to each side of the equation. 5x2 + -4y2 + 4y2 = 20 + 4y2 Combine like terms: -4y2 + 4y2 = 0 5x2 + 0 = 20 + 4y2 5x2 = 20 + 4y2 Divide each side by '5'. x2 = 4 + 0.8y2 Simplifying x2 = 4 + 0.8y2 Reorder the terms: -4 + x2 + -0.8y2 = 4 + 0.8y2 + -4 + -0.8y2 Reorder the terms: -4 + x2 + -0.8y2 = 4 + -4 + 0.8y2 + -0.8y2 Combine like terms: 4 + -4 = 0 -4 + x2 + -0.8y2 = 0 + 0.8y2 + -0.8y2 -4 + x2 + -0.8y2 = 0.8y2 + -0.8y2 Combine like terms: 0.8y2 + -0.8y2 = 0.0 -4 + x2 + -0.8y2 = 0.0 The solution to this equation could not be determined.
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