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