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Simplifying 230 = 161 + -1u Solving 230 = 161 + -1u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add 'u' to each side of the equation. 230 + u = 161 + -1u + u Combine like terms: -1u + u = 0 230 + u = 161 + 0 230 + u = 161 Add '-230' to each side of the equation. 230 + -230 + u = 161 + -230 Combine like terms: 230 + -230 = 0 0 + u = 161 + -230 u = 161 + -230 Combine like terms: 161 + -230 = -69 u = -69 Simplifying u = -69
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