What is the answer to 6/u =-9 ?

The answer to 6/u =-9 is u=-2/3

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6/u =-9

\frac{6}{u} = - 9

u = - \frac{2}{3}

Decimal Notation

u = - 0.66666 \dots

Solution steps

\frac{6}{u} = - 9

Multiply both sides by

u

6 = - 9 u

Switch sides

- 9 u = 6

Divide both sides by

- 9

u = - \frac{2}{3}

Verify Solutions

Find undefined (singularity) points:

u = 0

Combine undefined points with solutions:

u = - \frac{2}{3}

\frac{3}{x} = \frac{7}{6}

\frac{2 x + 3}{x - 3} = 5

\frac{x}{x + 4} = 5

8 = \frac{10}{x}

x^{- 3} - x = 0