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Simplifying 81u4 + -25 = 0 Reorder the terms: -25 + 81u4 = 0 Solving -25 + 81u4 = 0 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + 81u4 = 0 + 25 Combine like terms: -25 + 25 = 0 0 + 81u4 = 0 + 25 81u4 = 0 + 25 Combine like terms: 0 + 25 = 25 81u4 = 25 Divide each side by '81'. u4 = 0.3086419753 Simplifying u4 = 0.3086419753 Reorder the terms: -0.3086419753 + u4 = 0.3086419753 + -0.3086419753 Combine like terms: 0.3086419753 + -0.3086419753 = 0.0000000000 -0.3086419753 + u4 = 0.0000000000 The solution to this equation could not be determined.
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