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Simplifying 7x2 + -3y2 + 20 = 0 Reorder the terms: 20 + 7x2 + -3y2 = 0 Solving 20 + 7x2 + -3y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + 7x2 + -20 + -3y2 = 0 + -20 Reorder the terms: 20 + -20 + 7x2 + -3y2 = 0 + -20 Combine like terms: 20 + -20 = 0 0 + 7x2 + -3y2 = 0 + -20 7x2 + -3y2 = 0 + -20 Combine like terms: 0 + -20 = -20 7x2 + -3y2 = -20 Add '3y2' to each side of the equation. 7x2 + -3y2 + 3y2 = -20 + 3y2 Combine like terms: -3y2 + 3y2 = 0 7x2 + 0 = -20 + 3y2 7x2 = -20 + 3y2 Divide each side by '7'. x2 = -2.857142857 + 0.4285714286y2 Simplifying x2 = -2.857142857 + 0.4285714286y2 Reorder the terms: 2.857142857 + x2 + -0.4285714286y2 = -2.857142857 + 0.4285714286y2 + 2.857142857 + -0.4285714286y2 Reorder the terms: 2.857142857 + x2 + -0.4285714286y2 = -2.857142857 + 2.857142857 + 0.4285714286y2 + -0.4285714286y2 Combine like terms: -2.857142857 + 2.857142857 = 0.000000000 2.857142857 + x2 + -0.4285714286y2 = 0.000000000 + 0.4285714286y2 + -0.4285714286y2 2.857142857 + x2 + -0.4285714286y2 = 0.4285714286y2 + -0.4285714286y2 Combine like terms: 0.4285714286y2 + -0.4285714286y2 = 0.0000000000 2.857142857 + x2 + -0.4285714286y2 = 0.0000000000 The solution to this equation could not be determined.
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