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Simplifying X2 + -8x + -21 = 9x + -1 Reorder the terms: -21 + X2 + -8x = 9x + -1 Reorder the terms: -21 + X2 + -8x = -1 + 9x Solving -21 + X2 + -8x = -1 + 9x 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 + X2 + 21 + -8x = -1 + 21 + 9x Reorder the terms: -21 + 21 + X2 + -8x = -1 + 21 + 9x Combine like terms: -21 + 21 = 0 0 + X2 + -8x = -1 + 21 + 9x X2 + -8x = -1 + 21 + 9x Combine like terms: -1 + 21 = 20 X2 + -8x = 20 + 9x Add '8x' to each side of the equation. X2 + -8x + 8x = 20 + 9x + 8x Combine like terms: -8x + 8x = 0 X2 + 0 = 20 + 9x + 8x X2 = 20 + 9x + 8x Combine like terms: 9x + 8x = 17x X2 = 20 + 17x Simplifying X2 = 20 + 17x Reorder the terms: -20 + X2 + -17x = 20 + 17x + -20 + -17x Reorder the terms: -20 + X2 + -17x = 20 + -20 + 17x + -17x Combine like terms: 20 + -20 = 0 -20 + X2 + -17x = 0 + 17x + -17x -20 + X2 + -17x = 17x + -17x Combine like terms: 17x + -17x = 0 -20 + X2 + -17x = 0 The solution to this equation could not be determined.
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