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Simplifying 81x2 + y2 = 81 Solving 81x2 + y2 = 81 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. 81x2 + y2 + -1y2 = 81 + -1y2 Combine like terms: y2 + -1y2 = 0 81x2 + 0 = 81 + -1y2 81x2 = 81 + -1y2 Divide each side by '81'. x2 = 1 + -0.01234567901y2 Simplifying x2 = 1 + -0.01234567901y2 Reorder the terms: -1 + x2 + 0.01234567901y2 = 1 + -0.01234567901y2 + -1 + 0.01234567901y2 Reorder the terms: -1 + x2 + 0.01234567901y2 = 1 + -1 + -0.01234567901y2 + 0.01234567901y2 Combine like terms: 1 + -1 = 0 -1 + x2 + 0.01234567901y2 = 0 + -0.01234567901y2 + 0.01234567901y2 -1 + x2 + 0.01234567901y2 = -0.01234567901y2 + 0.01234567901y2 Combine like terms: -0.01234567901y2 + 0.01234567901y2 = 0.00000000000 -1 + x2 + 0.01234567901y2 = 0.00000000000 The solution to this equation could not be determined.
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