What is the answer to x/(27)= 3/x ?

The answer to x/(27)= 3/x is x=9,x=-9

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

x/(27)= 3/x

\frac{x}{27} = \frac{3}{x}

x = 9, x = - 9

Solution steps

\frac{x}{27} = \frac{3}{x}

Cross multiply

x^{2} = 81

Solve

x^{2} = 81 : x = 9, x = - 9

x = 9, x = - 9

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 9, x = - 9

0.5 = \frac{0.1}{x}

\frac{7}{3 w} + \frac{5}{2 w} = 1

\frac{x}{x + 2} = 4

5 x^{2} + 3 x - 2 - \frac{3}{x + 3} = 0

- \frac{2}{x + 1} = \frac{3}{x + 2}