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Simplifying X2 + -1 = 2x + 7 Reorder the terms: -1 + X2 = 2x + 7 Reorder the terms: -1 + X2 = 7 + 2x Solving -1 + X2 = 7 + 2x 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 + 1 + X2 = 7 + 1 + 2x Combine like terms: -1 + 1 = 0 0 + X2 = 7 + 1 + 2x X2 = 7 + 1 + 2x Combine like terms: 7 + 1 = 8 X2 = 8 + 2x Simplifying X2 = 8 + 2x Reorder the terms: -8 + X2 + -2x = 8 + 2x + -8 + -2x Reorder the terms: -8 + X2 + -2x = 8 + -8 + 2x + -2x Combine like terms: 8 + -8 = 0 -8 + X2 + -2x = 0 + 2x + -2x -8 + X2 + -2x = 2x + -2x Combine like terms: 2x + -2x = 0 -8 + X2 + -2x = 0 The solution to this equation could not be determined.
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