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Simplifying X4 + 21x + 20 = 0 Reorder the terms: 20 + X4 + 21x = 0 Solving 20 + X4 + 21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + X4 + -20 + 21x = 0 + -20 Reorder the terms: 20 + -20 + X4 + 21x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + X4 + 21x = 0 + -20 X4 + 21x = 0 + -20 Combine like terms: 0 + -20 = -20 X4 + 21x = -20 Add '-21x' to each side of the equation. X4 + 21x + -21x = -20 + -21x Combine like terms: 21x + -21x = 0 X4 + 0 = -20 + -21x X4 = -20 + -21x Simplifying X4 = -20 + -21x Reorder the terms: 20 + X4 + 21x = -20 + -21x + 20 + 21x Reorder the terms: 20 + X4 + 21x = -20 + 20 + -21x + 21x Combine like terms: -20 + 20 = 0 20 + X4 + 21x = 0 + -21x + 21x 20 + X4 + 21x = -21x + 21x Combine like terms: -21x + 21x = 0 20 + X4 + 21x = 0 The solution to this equation could not be determined.
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