What is the answer to 4/(5x)=-20 ?

The answer to 4/(5x)=-20 is x=-1/25

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4/(5x)=-20

\frac{4}{5 x} = - 20

x = - \frac{1}{25}

Decimal Notation

x = - 0.04

Solution steps

\frac{4}{5 x} = - 20

Multiply both sides by

x

\frac{4}{5} = - 20 x

Switch sides

- 20 x = \frac{4}{5}

Divide both sides by

- 20

x = - \frac{1}{25}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = - \frac{1}{25}

\frac{100}{x} = \frac{30}{27}

\frac{100}{x} = \frac{30}{28}

1 - \frac{25}{x ^{2}} = 0

x, \frac{3 a}{x} + 4 b = 1

6.5 - 37544 x^{- 2} = 0