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Simplifying 25x2 + 4y2 = 9 Solving 25x2 + 4y2 = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4y2' to each side of the equation. 25x2 + 4y2 + -4y2 = 9 + -4y2 Combine like terms: 4y2 + -4y2 = 0 25x2 + 0 = 9 + -4y2 25x2 = 9 + -4y2 Divide each side by '25'. x2 = 0.36 + -0.16y2 Simplifying x2 = 0.36 + -0.16y2 Reorder the terms: -0.36 + x2 + 0.16y2 = 0.36 + -0.16y2 + -0.36 + 0.16y2 Reorder the terms: -0.36 + x2 + 0.16y2 = 0.36 + -0.36 + -0.16y2 + 0.16y2 Combine like terms: 0.36 + -0.36 = 0.00 -0.36 + x2 + 0.16y2 = 0.00 + -0.16y2 + 0.16y2 -0.36 + x2 + 0.16y2 = -0.16y2 + 0.16y2 Combine like terms: -0.16y2 + 0.16y2 = 0.00 -0.36 + x2 + 0.16y2 = 0.00 The solution to this equation could not be determined.
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