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Simplifying 49 = 2u + 9 Reorder the terms: 49 = 9 + 2u Solving 49 = 9 + 2u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-2u' to each side of the equation. 49 + -2u = 9 + 2u + -2u Combine like terms: 2u + -2u = 0 49 + -2u = 9 + 0 49 + -2u = 9 Add '-49' to each side of the equation. 49 + -49 + -2u = 9 + -49 Combine like terms: 49 + -49 = 0 0 + -2u = 9 + -49 -2u = 9 + -49 Combine like terms: 9 + -49 = -40 -2u = -40 Divide each side by '-2'. u = 20 Simplifying u = 20
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