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Simplifying -20 + -1u = 16 + 2u Solving -20 + -1u = 16 + 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. -20 + -1u + -2u = 16 + 2u + -2u Combine like terms: -1u + -2u = -3u -20 + -3u = 16 + 2u + -2u Combine like terms: 2u + -2u = 0 -20 + -3u = 16 + 0 -20 + -3u = 16 Add '20' to each side of the equation. -20 + 20 + -3u = 16 + 20 Combine like terms: -20 + 20 = 0 0 + -3u = 16 + 20 -3u = 16 + 20 Combine like terms: 16 + 20 = 36 -3u = 36 Divide each side by '-3'. u = -12 Simplifying u = -12
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