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Simplifying 9x2 + -31y = 20 Solving 9x2 + -31y = 20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '31y' to each side of the equation. 9x2 + -31y + 31y = 20 + 31y Combine like terms: -31y + 31y = 0 9x2 + 0 = 20 + 31y 9x2 = 20 + 31y Divide each side by '9'. x2 = 2.222222222 + 3.444444444y Simplifying x2 = 2.222222222 + 3.444444444y Reorder the terms: -2.222222222 + x2 + -3.444444444y = 2.222222222 + 3.444444444y + -2.222222222 + -3.444444444y Reorder the terms: -2.222222222 + x2 + -3.444444444y = 2.222222222 + -2.222222222 + 3.444444444y + -3.444444444y Combine like terms: 2.222222222 + -2.222222222 = 0.000000000 -2.222222222 + x2 + -3.444444444y = 0.000000000 + 3.444444444y + -3.444444444y -2.222222222 + x2 + -3.444444444y = 3.444444444y + -3.444444444y Combine like terms: 3.444444444y + -3.444444444y = 0.000000000 -2.222222222 + x2 + -3.444444444y = 0.000000000 The solution to this equation could not be determined.
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