Solve for u
u=-\frac{2}{3}\approx -0.666666667
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9u=-6
Variable u cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by u.
u=\frac{-6}{9}
Divide both sides by 9.
u=-\frac{2}{3}
Reduce the fraction \frac{-6}{9} to lowest terms by extracting and canceling out 3.
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