What is the answer to 9=(2pi)/x ?

The answer to 9=(2pi)/x is x=(2pi)/9

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9=(2pi)/x

9 = \frac{2 π}{x}

x = \frac{2 π}{9}

Decimal Notation

x = 0.69813 \dots

Solution steps

9 = \frac{2 π}{x}

Multiply both sides by

x

9 x = 2 π

Divide both sides by

9

x = \frac{2 π}{9}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{2 π}{9}

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

6 - \frac{5}{y + 2} = - \frac{4}{y - 1}

\frac{1}{x} = 0.08

\frac{1}{x} = 0.01

y, x = \frac{y + 1}{y + 2}