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Simplifying x2 + -9z + 20 = 0 Reorder the terms: 20 + x2 + -9z = 0 Solving 20 + x2 + -9z = 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 + x2 + -20 + -9z = 0 + -20 Reorder the terms: 20 + -20 + x2 + -9z = 0 + -20 Combine like terms: 20 + -20 = 0 0 + x2 + -9z = 0 + -20 x2 + -9z = 0 + -20 Combine like terms: 0 + -20 = -20 x2 + -9z = -20 Add '9z' to each side of the equation. x2 + -9z + 9z = -20 + 9z Combine like terms: -9z + 9z = 0 x2 + 0 = -20 + 9z x2 = -20 + 9z Simplifying x2 = -20 + 9z Reorder the terms: 20 + x2 + -9z = -20 + 9z + 20 + -9z Reorder the terms: 20 + x2 + -9z = -20 + 20 + 9z + -9z Combine like terms: -20 + 20 = 0 20 + x2 + -9z = 0 + 9z + -9z 20 + x2 + -9z = 9z + -9z Combine like terms: 9z + -9z = 0 20 + x2 + -9z = 0 The solution to this equation could not be determined.
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