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Simplifying X3 + -2x2 + 0.4 = 0 Reorder the terms: 0.4 + X3 + -2x2 = 0 Solving 0.4 + X3 + -2x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + X3 + -0.4 + -2x2 = 0 + -0.4 Reorder the terms: 0.4 + -0.4 + X3 + -2x2 = 0 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + X3 + -2x2 = 0 + -0.4 X3 + -2x2 = 0 + -0.4 Combine like terms: 0 + -0.4 = -0.4 X3 + -2x2 = -0.4 Add '2x2' to each side of the equation. X3 + -2x2 + 2x2 = -0.4 + 2x2 Combine like terms: -2x2 + 2x2 = 0 X3 + 0 = -0.4 + 2x2 X3 = -0.4 + 2x2 Simplifying X3 = -0.4 + 2x2 Reorder the terms: 0.4 + X3 + -2x2 = -0.4 + 2x2 + 0.4 + -2x2 Reorder the terms: 0.4 + X3 + -2x2 = -0.4 + 0.4 + 2x2 + -2x2 Combine like terms: -0.4 + 0.4 = 0.0 0.4 + X3 + -2x2 = 0.0 + 2x2 + -2x2 0.4 + X3 + -2x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 0.4 + X3 + -2x2 = 0 The solution to this equation could not be determined.
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