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Simplifying 7x2 + -1y2 = 31 Solving 7x2 + -1y2 = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'y2' to each side of the equation. 7x2 + -1y2 + y2 = 31 + y2 Combine like terms: -1y2 + y2 = 0 7x2 + 0 = 31 + y2 7x2 = 31 + y2 Divide each side by '7'. x2 = 4.428571429 + 0.1428571429y2 Simplifying x2 = 4.428571429 + 0.1428571429y2 Reorder the terms: -4.428571429 + x2 + -0.1428571429y2 = 4.428571429 + 0.1428571429y2 + -4.428571429 + -0.1428571429y2 Reorder the terms: -4.428571429 + x2 + -0.1428571429y2 = 4.428571429 + -4.428571429 + 0.1428571429y2 + -0.1428571429y2 Combine like terms: 4.428571429 + -4.428571429 = 0.000000000 -4.428571429 + x2 + -0.1428571429y2 = 0.000000000 + 0.1428571429y2 + -0.1428571429y2 -4.428571429 + x2 + -0.1428571429y2 = 0.1428571429y2 + -0.1428571429y2 Combine like terms: 0.1428571429y2 + -0.1428571429y2 = 0.0000000000 -4.428571429 + x2 + -0.1428571429y2 = 0.0000000000 The solution to this equation could not be determined.
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