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Simplifying 2X2 + -1x + 21 = 0 Reorder the terms: 21 + 2X2 + -1x = 0 Solving 21 + 2X2 + -1x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + 2X2 + -21 + -1x = 0 + -21 Reorder the terms: 21 + -21 + 2X2 + -1x = 0 + -21 Combine like terms: 21 + -21 = 0 0 + 2X2 + -1x = 0 + -21 2X2 + -1x = 0 + -21 Combine like terms: 0 + -21 = -21 2X2 + -1x = -21 Add 'x' to each side of the equation. 2X2 + -1x + x = -21 + x Combine like terms: -1x + x = 0 2X2 + 0 = -21 + x 2X2 = -21 + x Divide each side by '2'. X2 = -10.5 + 0.5x Simplifying X2 = -10.5 + 0.5x Reorder the terms: 10.5 + X2 + -0.5x = -10.5 + 0.5x + 10.5 + -0.5x Reorder the terms: 10.5 + X2 + -0.5x = -10.5 + 10.5 + 0.5x + -0.5x Combine like terms: -10.5 + 10.5 = 0.0 10.5 + X2 + -0.5x = 0.0 + 0.5x + -0.5x 10.5 + X2 + -0.5x = 0.5x + -0.5x Combine like terms: 0.5x + -0.5x = 0.0 10.5 + X2 + -0.5x = 0.0 The solution to this equation could not be determined.
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