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Simplifying 9x2 + 8y2 = 18 Solving 9x2 + 8y2 = 18 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8y2' to each side of the equation. 9x2 + 8y2 + -8y2 = 18 + -8y2 Combine like terms: 8y2 + -8y2 = 0 9x2 + 0 = 18 + -8y2 9x2 = 18 + -8y2 Divide each side by '9'. x2 = 2 + -0.8888888889y2 Simplifying x2 = 2 + -0.8888888889y2 Reorder the terms: -2 + x2 + 0.8888888889y2 = 2 + -0.8888888889y2 + -2 + 0.8888888889y2 Reorder the terms: -2 + x2 + 0.8888888889y2 = 2 + -2 + -0.8888888889y2 + 0.8888888889y2 Combine like terms: 2 + -2 = 0 -2 + x2 + 0.8888888889y2 = 0 + -0.8888888889y2 + 0.8888888889y2 -2 + x2 + 0.8888888889y2 = -0.8888888889y2 + 0.8888888889y2 Combine like terms: -0.8888888889y2 + 0.8888888889y2 = 0.0000000000 -2 + x2 + 0.8888888889y2 = 0.0000000000 The solution to this equation could not be determined.
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