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Simplifying x2 + 18 = 9 Reorder the terms: 18 + x2 = 9 Solving 18 + x2 = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + x2 = 9 + -18 Combine like terms: 18 + -18 = 0 0 + x2 = 9 + -18 x2 = 9 + -18 Combine like terms: 9 + -18 = -9 x2 = -9 Simplifying x2 = -9 Reorder the terms: 9 + x2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + x2 = 0 The solution to this equation could not be determined.
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