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Simplifying 7x2 + 13y2 = 4 Solving 7x2 + 13y2 = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-13y2' to each side of the equation. 7x2 + 13y2 + -13y2 = 4 + -13y2 Combine like terms: 13y2 + -13y2 = 0 7x2 + 0 = 4 + -13y2 7x2 = 4 + -13y2 Divide each side by '7'. x2 = 0.5714285714 + -1.857142857y2 Simplifying x2 = 0.5714285714 + -1.857142857y2 Reorder the terms: -0.5714285714 + x2 + 1.857142857y2 = 0.5714285714 + -1.857142857y2 + -0.5714285714 + 1.857142857y2 Reorder the terms: -0.5714285714 + x2 + 1.857142857y2 = 0.5714285714 + -0.5714285714 + -1.857142857y2 + 1.857142857y2 Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000 -0.5714285714 + x2 + 1.857142857y2 = 0.0000000000 + -1.857142857y2 + 1.857142857y2 -0.5714285714 + x2 + 1.857142857y2 = -1.857142857y2 + 1.857142857y2 Combine like terms: -1.857142857y2 + 1.857142857y2 = 0.000000000 -0.5714285714 + x2 + 1.857142857y2 = 0.000000000 The solution to this equation could not be determined.
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