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Simplifying X2 + 3 = -18 Reorder the terms: 3 + X2 = -18 Solving 3 + X2 = -18 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + X2 = -18 + -3 Combine like terms: 3 + -3 = 0 0 + X2 = -18 + -3 X2 = -18 + -3 Combine like terms: -18 + -3 = -21 X2 = -21 Simplifying X2 = -21 Reorder the terms: 21 + X2 = -21 + 21 Combine like terms: -21 + 21 = 0 21 + X2 = 0 The solution to this equation could not be determined.
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