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Simplifying X2 + 2x = -2x + 20 Reorder the terms: X2 + 2x = 20 + -2x Solving X2 + 2x = 20 + -2x Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-2x' to each side of the equation. X2 + 2x + -2x = 20 + -2x + -2x Combine like terms: 2x + -2x = 0 X2 + 0 = 20 + -2x + -2x X2 = 20 + -2x + -2x Combine like terms: -2x + -2x = -4x X2 = 20 + -4x Simplifying X2 = 20 + -4x Reorder the terms: -20 + X2 + 4x = 20 + -4x + -20 + 4x Reorder the terms: -20 + X2 + 4x = 20 + -20 + -4x + 4x Combine like terms: 20 + -20 = 0 -20 + X2 + 4x = 0 + -4x + 4x -20 + X2 + 4x = -4x + 4x Combine like terms: -4x + 4x = 0 -20 + X2 + 4x = 0 The solution to this equation could not be determined.
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