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Simplifying 2u2 + 9y = 18 Solving 2u2 + 9y = 18 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-9y' to each side of the equation. 2u2 + 9y + -9y = 18 + -9y Combine like terms: 9y + -9y = 0 2u2 + 0 = 18 + -9y 2u2 = 18 + -9y Divide each side by '2'. u2 = 9 + -4.5y Simplifying u2 = 9 + -4.5y Reorder the terms: -9 + u2 + 4.5y = 9 + -4.5y + -9 + 4.5y Reorder the terms: -9 + u2 + 4.5y = 9 + -9 + -4.5y + 4.5y Combine like terms: 9 + -9 = 0 -9 + u2 + 4.5y = 0 + -4.5y + 4.5y -9 + u2 + 4.5y = -4.5y + 4.5y Combine like terms: -4.5y + 4.5y = 0.0 -9 + u2 + 4.5y = 0.0 The solution to this equation could not be determined.
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