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Simplifying 9x2 + 4y2 = 9 Solving 9x2 + 4y2 = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4y2' to each side of the equation. 9x2 + 4y2 + -4y2 = 9 + -4y2 Combine like terms: 4y2 + -4y2 = 0 9x2 + 0 = 9 + -4y2 9x2 = 9 + -4y2 Divide each side by '9'. x2 = 1 + -0.4444444444y2 Simplifying x2 = 1 + -0.4444444444y2 Reorder the terms: -1 + x2 + 0.4444444444y2 = 1 + -0.4444444444y2 + -1 + 0.4444444444y2 Reorder the terms: -1 + x2 + 0.4444444444y2 = 1 + -1 + -0.4444444444y2 + 0.4444444444y2 Combine like terms: 1 + -1 = 0 -1 + x2 + 0.4444444444y2 = 0 + -0.4444444444y2 + 0.4444444444y2 -1 + x2 + 0.4444444444y2 = -0.4444444444y2 + 0.4444444444y2 Combine like terms: -0.4444444444y2 + 0.4444444444y2 = 0.0000000000 -1 + x2 + 0.4444444444y2 = 0.0000000000 The solution to this equation could not be determined.
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