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Simplifying X3 + 2x + 1 = 9 Reorder the terms: 1 + X3 + 2x = 9 Solving 1 + X3 + 2x = 9 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + X3 + -1 + 2x = 9 + -1 Reorder the terms: 1 + -1 + X3 + 2x = 9 + -1 Combine like terms: 1 + -1 = 0 0 + X3 + 2x = 9 + -1 X3 + 2x = 9 + -1 Combine like terms: 9 + -1 = 8 X3 + 2x = 8 Add '-2x' to each side of the equation. X3 + 2x + -2x = 8 + -2x Combine like terms: 2x + -2x = 0 X3 + 0 = 8 + -2x X3 = 8 + -2x Simplifying X3 = 8 + -2x Reorder the terms: -8 + X3 + 2x = 8 + -2x + -8 + 2x Reorder the terms: -8 + X3 + 2x = 8 + -8 + -2x + 2x Combine like terms: 8 + -8 = 0 -8 + X3 + 2x = 0 + -2x + 2x -8 + X3 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 -8 + X3 + 2x = 0 The solution to this equation could not be determined.
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