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Simplifying 2x2 + y2 = 9 Solving 2x2 + y2 = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1y2' to each side of the equation. 2x2 + y2 + -1y2 = 9 + -1y2 Combine like terms: y2 + -1y2 = 0 2x2 + 0 = 9 + -1y2 2x2 = 9 + -1y2 Divide each side by '2'. x2 = 4.5 + -0.5y2 Simplifying x2 = 4.5 + -0.5y2 Reorder the terms: -4.5 + x2 + 0.5y2 = 4.5 + -0.5y2 + -4.5 + 0.5y2 Reorder the terms: -4.5 + x2 + 0.5y2 = 4.5 + -4.5 + -0.5y2 + 0.5y2 Combine like terms: 4.5 + -4.5 = 0.0 -4.5 + x2 + 0.5y2 = 0.0 + -0.5y2 + 0.5y2 -4.5 + x2 + 0.5y2 = -0.5y2 + 0.5y2 Combine like terms: -0.5y2 + 0.5y2 = 0.0 -4.5 + x2 + 0.5y2 = 0.0 The solution to this equation could not be determined.
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