What is the answer to 4/(5x)-9=-5 ?

The answer to 4/(5x)-9=-5 is x= 1/5

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4/(5x)-9=-5

\frac{4}{5 x} - 9 = - 5

x = \frac{1}{5}

Decimal Notation

x = 0.2

Solution steps

\frac{4}{5 x} - 9 = - 5

Move

9

to the right side

\frac{4}{5 x} = 4

Multiply both sides by

x

\frac{4}{5} = 4 x

Switch sides

4 x = \frac{4}{5}

Divide both sides by

4

x = \frac{1}{5}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{1}{5}

- \frac{2}{c ^{3}} + 0.45 = 0

\frac{7}{b - 1} = \frac{9}{3}

\frac{30}{24} = \frac{15}{x}

4 x - \frac{1}{x} = 0

5 - x^{2} = \frac{1}{x ^{2}}