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Simplifying 36x2 + 9y2 = 81 Solving 36x2 + 9y2 = 81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9y2' to each side of the equation. 36x2 + 9y2 + -9y2 = 81 + -9y2 Combine like terms: 9y2 + -9y2 = 0 36x2 + 0 = 81 + -9y2 36x2 = 81 + -9y2 Divide each side by '36'. x2 = 2.25 + -0.25y2 Simplifying x2 = 2.25 + -0.25y2 Reorder the terms: -2.25 + x2 + 0.25y2 = 2.25 + -0.25y2 + -2.25 + 0.25y2 Reorder the terms: -2.25 + x2 + 0.25y2 = 2.25 + -2.25 + -0.25y2 + 0.25y2 Combine like terms: 2.25 + -2.25 = 0.00 -2.25 + x2 + 0.25y2 = 0.00 + -0.25y2 + 0.25y2 -2.25 + x2 + 0.25y2 = -0.25y2 + 0.25y2 Combine like terms: -0.25y2 + 0.25y2 = 0.00 -2.25 + x2 + 0.25y2 = 0.00 The solution to this equation could not be determined.
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