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Simplifying -12 = -7(u + -2) Reorder the terms: -12 = -7(-2 + u) -12 = (-2 * -7 + u * -7) -12 = (14 + -7u) Solving -12 = 14 + -7u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '7u' to each side of the equation. -12 + 7u = 14 + -7u + 7u Combine like terms: -7u + 7u = 0 -12 + 7u = 14 + 0 -12 + 7u = 14 Add '12' to each side of the equation. -12 + 12 + 7u = 14 + 12 Combine like terms: -12 + 12 = 0 0 + 7u = 14 + 12 7u = 14 + 12 Combine like terms: 14 + 12 = 26 7u = 26 Divide each side by '7'. u = 3.714285714 Simplifying u = 3.714285714
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