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Simplifying 2(u + 2) = -2(7u + -7) + 4u Reorder the terms: 2(2 + u) = -2(7u + -7) + 4u (2 * 2 + u * 2) = -2(7u + -7) + 4u (4 + 2u) = -2(7u + -7) + 4u Reorder the terms: 4 + 2u = -2(-7 + 7u) + 4u 4 + 2u = (-7 * -2 + 7u * -2) + 4u 4 + 2u = (14 + -14u) + 4u Combine like terms: -14u + 4u = -10u 4 + 2u = 14 + -10u Solving 4 + 2u = 14 + -10u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '10u' to each side of the equation. 4 + 2u + 10u = 14 + -10u + 10u Combine like terms: 2u + 10u = 12u 4 + 12u = 14 + -10u + 10u Combine like terms: -10u + 10u = 0 4 + 12u = 14 + 0 4 + 12u = 14 Add '-4' to each side of the equation. 4 + -4 + 12u = 14 + -4 Combine like terms: 4 + -4 = 0 0 + 12u = 14 + -4 12u = 14 + -4 Combine like terms: 14 + -4 = 10 12u = 10 Divide each side by '12'. u = 0.8333333333 Simplifying u = 0.8333333333
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