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Simplifying x4 + -18 + 81 = 0 Reorder the terms: -18 + 81 + x4 = 0 Combine like terms: -18 + 81 = 63 63 + x4 = 0 Solving 63 + x4 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-63' to each side of the equation. 63 + -63 + x4 = 0 + -63 Combine like terms: 63 + -63 = 0 0 + x4 = 0 + -63 x4 = 0 + -63 Combine like terms: 0 + -63 = -63 x4 = -63 Simplifying x4 = -63 Reorder the terms: 63 + x4 = -63 + 63 Combine like terms: -63 + 63 = 0 63 + x4 = 0 The solution to this equation could not be determined.
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