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Simplifying 7u + 7 = 19u + -3u Reorder the terms: 7 + 7u = 19u + -3u Combine like terms: 19u + -3u = 16u 7 + 7u = 16u Solving 7 + 7u = 16u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-16u' to each side of the equation. 7 + 7u + -16u = 16u + -16u Combine like terms: 7u + -16u = -9u 7 + -9u = 16u + -16u Combine like terms: 16u + -16u = 0 7 + -9u = 0 Add '-7' to each side of the equation. 7 + -7 + -9u = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9u = 0 + -7 -9u = 0 + -7 Combine like terms: 0 + -7 = -7 -9u = -7 Divide each side by '-9'. u = 0.7777777778 Simplifying u = 0.7777777778
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