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Simplifying 20x2 + 3z + -9 = 0 Reorder the terms: -9 + 20x2 + 3z = 0 Solving -9 + 20x2 + 3z = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 20x2 + 9 + 3z = 0 + 9 Reorder the terms: -9 + 9 + 20x2 + 3z = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 20x2 + 3z = 0 + 9 20x2 + 3z = 0 + 9 Combine like terms: 0 + 9 = 9 20x2 + 3z = 9 Add '-3z' to each side of the equation. 20x2 + 3z + -3z = 9 + -3z Combine like terms: 3z + -3z = 0 20x2 + 0 = 9 + -3z 20x2 = 9 + -3z Divide each side by '20'. x2 = 0.45 + -0.15z Simplifying x2 = 0.45 + -0.15z Reorder the terms: -0.45 + x2 + 0.15z = 0.45 + -0.15z + -0.45 + 0.15z Reorder the terms: -0.45 + x2 + 0.15z = 0.45 + -0.45 + -0.15z + 0.15z Combine like terms: 0.45 + -0.45 = 0.00 -0.45 + x2 + 0.15z = 0.00 + -0.15z + 0.15z -0.45 + x2 + 0.15z = -0.15z + 0.15z Combine like terms: -0.15z + 0.15z = 0.00 -0.45 + x2 + 0.15z = 0.00 The solution to this equation could not be determined.
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