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Simplifying 3u + v = -7 Solving 3u + v = -7 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-1v' to each side of the equation. 3u + v + -1v = -7 + -1v Combine like terms: v + -1v = 0 3u + 0 = -7 + -1v 3u = -7 + -1v Divide each side by '3'. u = -2.333333333 + -0.3333333333v Simplifying u = -2.333333333 + -0.3333333333v
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