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Simplifying 30 + 5u = 20u Solving 30 + 5u = 20u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-20u' to each side of the equation. 30 + 5u + -20u = 20u + -20u Combine like terms: 5u + -20u = -15u 30 + -15u = 20u + -20u Combine like terms: 20u + -20u = 0 30 + -15u = 0 Add '-30' to each side of the equation. 30 + -30 + -15u = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -15u = 0 + -30 -15u = 0 + -30 Combine like terms: 0 + -30 = -30 -15u = -30 Divide each side by '-15'. u = 2 Simplifying u = 2
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