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Simplifying 9x2 + 25y2 = 225 Solving 9x2 + 25y2 = 225 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25y2' to each side of the equation. 9x2 + 25y2 + -25y2 = 225 + -25y2 Combine like terms: 25y2 + -25y2 = 0 9x2 + 0 = 225 + -25y2 9x2 = 225 + -25y2 Divide each side by '9'. x2 = 25 + -2.777777778y2 Simplifying x2 = 25 + -2.777777778y2 Reorder the terms: -25 + x2 + 2.777777778y2 = 25 + -2.777777778y2 + -25 + 2.777777778y2 Reorder the terms: -25 + x2 + 2.777777778y2 = 25 + -25 + -2.777777778y2 + 2.777777778y2 Combine like terms: 25 + -25 = 0 -25 + x2 + 2.777777778y2 = 0 + -2.777777778y2 + 2.777777778y2 -25 + x2 + 2.777777778y2 = -2.777777778y2 + 2.777777778y2 Combine like terms: -2.777777778y2 + 2.777777778y2 = 0.000000000 -25 + x2 + 2.777777778y2 = 0.000000000 The solution to this equation could not be determined.
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