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Simplifying X4 + -21x + 80 = 0 Reorder the terms: 80 + X4 + -21x = 0 Solving 80 + X4 + -21x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-80' to each side of the equation. 80 + X4 + -80 + -21x = 0 + -80 Reorder the terms: 80 + -80 + X4 + -21x = 0 + -80 Combine like terms: 80 + -80 = 0 0 + X4 + -21x = 0 + -80 X4 + -21x = 0 + -80 Combine like terms: 0 + -80 = -80 X4 + -21x = -80 Add '21x' to each side of the equation. X4 + -21x + 21x = -80 + 21x Combine like terms: -21x + 21x = 0 X4 + 0 = -80 + 21x X4 = -80 + 21x Simplifying X4 = -80 + 21x Reorder the terms: 80 + X4 + -21x = -80 + 21x + 80 + -21x Reorder the terms: 80 + X4 + -21x = -80 + 80 + 21x + -21x Combine like terms: -80 + 80 = 0 80 + X4 + -21x = 0 + 21x + -21x 80 + X4 + -21x = 21x + -21x Combine like terms: 21x + -21x = 0 80 + X4 + -21x = 0 The solution to this equation could not be determined.
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