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Simplifying 9x * 9x + 4y * 4y = 12 Reorder the terms for easier multiplication: 9 * 9x * x + 4y * 4y = 12 Multiply 9 * 9 81x * x + 4y * 4y = 12 Multiply x * x 81x2 + 4y * 4y = 12 Reorder the terms for easier multiplication: 81x2 + 4 * 4y * y = 12 Multiply 4 * 4 81x2 + 16y * y = 12 Multiply y * y 81x2 + 16y2 = 12 Solving 81x2 + 16y2 = 12 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16y2' to each side of the equation. 81x2 + 16y2 + -16y2 = 12 + -16y2 Combine like terms: 16y2 + -16y2 = 0 81x2 + 0 = 12 + -16y2 81x2 = 12 + -16y2 Divide each side by '81'. x2 = 0.1481481481 + -0.1975308642y2 Simplifying x2 = 0.1481481481 + -0.1975308642y2 Reorder the terms: -0.1481481481 + x2 + 0.1975308642y2 = 0.1481481481 + -0.1975308642y2 + -0.1481481481 + 0.1975308642y2 Reorder the terms: -0.1481481481 + x2 + 0.1975308642y2 = 0.1481481481 + -0.1481481481 + -0.1975308642y2 + 0.1975308642y2 Combine like terms: 0.1481481481 + -0.1481481481 = 0.0000000000 -0.1481481481 + x2 + 0.1975308642y2 = 0.0000000000 + -0.1975308642y2 + 0.1975308642y2 -0.1481481481 + x2 + 0.1975308642y2 = -0.1975308642y2 + 0.1975308642y2 Combine like terms: -0.1975308642y2 + 0.1975308642y2 = 0.0000000000 -0.1481481481 + x2 + 0.1975308642y2 = 0.0000000000 The solution to this equation could not be determined.
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