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Simplifying 20 + 16u = 15u Solving 20 + 16u = 15u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-15u' to each side of the equation. 20 + 16u + -15u = 15u + -15u Combine like terms: 16u + -15u = 1u 20 + 1u = 15u + -15u Combine like terms: 15u + -15u = 0 20 + 1u = 0 Add '-20' to each side of the equation. 20 + -20 + 1u = 0 + -20 Combine like terms: 20 + -20 = 0 0 + 1u = 0 + -20 1u = 0 + -20 Combine like terms: 0 + -20 = -20 1u = -20 Divide each side by '1'. u = -20 Simplifying u = -20
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