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Simplifying 20x2 + 21 + -5 = 0 Reorder the terms: 21 + -5 + 20x2 = 0 Combine like terms: 21 + -5 = 16 16 + 20x2 = 0 Solving 16 + 20x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + 20x2 = 0 + -16 Combine like terms: 16 + -16 = 0 0 + 20x2 = 0 + -16 20x2 = 0 + -16 Combine like terms: 0 + -16 = -16 20x2 = -16 Divide each side by '20'. x2 = -0.8 Simplifying x2 = -0.8 Reorder the terms: 0.8 + x2 = -0.8 + 0.8 Combine like terms: -0.8 + 0.8 = 0.0 0.8 + x2 = 0.0 The solution to this equation could not be determined.
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