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Simplifying X2 + -1 = -1x2 + 7 Reorder the terms: -1 + X2 = -1x2 + 7 Reorder the terms: -1 + X2 = 7 + -1x2 Solving -1 + X2 = 7 + -1x2 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 + -1x2 Combine like terms: -1 + 1 = 0 0 + X2 = 7 + 1 + -1x2 X2 = 7 + 1 + -1x2 Combine like terms: 7 + 1 = 8 X2 = 8 + -1x2 Simplifying X2 = 8 + -1x2 Reorder the terms: -8 + X2 + x2 = 8 + -1x2 + -8 + x2 Reorder the terms: -8 + X2 + x2 = 8 + -8 + -1x2 + x2 Combine like terms: 8 + -8 = 0 -8 + X2 + x2 = 0 + -1x2 + x2 -8 + X2 + x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 -8 + X2 + x2 = 0 The solution to this equation could not be determined.
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