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Simplifying 2 = -2(u + 4) Reorder the terms: 2 = -2(4 + u) 2 = (4 * -2 + u * -2) 2 = (-8 + -2u) Solving 2 = -8 + -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. 2 + 2u = -8 + -2u + 2u Combine like terms: -2u + 2u = 0 2 + 2u = -8 + 0 2 + 2u = -8 Add '-2' to each side of the equation. 2 + -2 + 2u = -8 + -2 Combine like terms: 2 + -2 = 0 0 + 2u = -8 + -2 2u = -8 + -2 Combine like terms: -8 + -2 = -10 2u = -10 Divide each side by '2'. u = -5 Simplifying u = -5
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