What is the answer to 1-3/x =9 ?

The answer to 1-3/x =9 is x=-3/8

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1-3/x =9

1 - \frac{3}{x} = 9

x = - \frac{3}{8}

Decimal Notation

x = - 0.375

Solution steps

1 - \frac{3}{x} = 9

Move

1

to the right side

- \frac{3}{x} = 8

Multiply both sides by

x

- 3 = 8 x

Switch sides

8 x = - 3

Divide both sides by

8

x = - \frac{3}{8}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = - \frac{3}{8}

2 x - \frac{2000}{x ^{2}} = 0

3 (x + 2)^{- 1} - \frac{4}{x} = 0

\frac{2 x - 1}{2 x + 2} = \frac{7}{10}

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

1 + \frac{1}{x} = 0