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Simplifying 4x2 + 9y2 = 225 Solving 4x2 + 9y2 = 225 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. 4x2 + 9y2 + -9y2 = 225 + -9y2 Combine like terms: 9y2 + -9y2 = 0 4x2 + 0 = 225 + -9y2 4x2 = 225 + -9y2 Divide each side by '4'. x2 = 56.25 + -2.25y2 Simplifying x2 = 56.25 + -2.25y2 Reorder the terms: -56.25 + x2 + 2.25y2 = 56.25 + -2.25y2 + -56.25 + 2.25y2 Reorder the terms: -56.25 + x2 + 2.25y2 = 56.25 + -56.25 + -2.25y2 + 2.25y2 Combine like terms: 56.25 + -56.25 = 0.00 -56.25 + x2 + 2.25y2 = 0.00 + -2.25y2 + 2.25y2 -56.25 + x2 + 2.25y2 = -2.25y2 + 2.25y2 Combine like terms: -2.25y2 + 2.25y2 = 0.00 -56.25 + x2 + 2.25y2 = 0.00 The solution to this equation could not be determined.
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