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Simplifying 20 + 30u = 36 + 28u Solving 20 + 30u = 36 + 28u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-28u' to each side of the equation. 20 + 30u + -28u = 36 + 28u + -28u Combine like terms: 30u + -28u = 2u 20 + 2u = 36 + 28u + -28u Combine like terms: 28u + -28u = 0 20 + 2u = 36 + 0 20 + 2u = 36 Add '-20' to each side of the equation. 20 + -20 + 2u = 36 + -20 Combine like terms: 20 + -20 = 0 0 + 2u = 36 + -20 2u = 36 + -20 Combine like terms: 36 + -20 = 16 2u = 16 Divide each side by '2'. u = 8 Simplifying u = 8
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