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Simplifying -51 = 3u + -15u + -16 Reorder the terms: -51 = -16 + 3u + -15u Combine like terms: 3u + -15u = -12u -51 = -16 + -12u Solving -51 = -16 + -12u Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '12u' to each side of the equation. -51 + 12u = -16 + -12u + 12u Combine like terms: -12u + 12u = 0 -51 + 12u = -16 + 0 -51 + 12u = -16 Add '51' to each side of the equation. -51 + 51 + 12u = -16 + 51 Combine like terms: -51 + 51 = 0 0 + 12u = -16 + 51 12u = -16 + 51 Combine like terms: -16 + 51 = 35 12u = 35 Divide each side by '12'. u = 2.916666667 Simplifying u = 2.916666667
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