What is the answer to 5/10 = 7/x ?

The answer to 5/10 = 7/x is x=14

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

5/10 = 7/x

\frac{5}{10} = \frac{7}{x}

x = 14

Solution steps

\frac{5}{10} = \frac{7}{x}

Cross multiply

5 x = 70

Divide both sides by

5

x = 14

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 14

\frac{x}{x} = 4 x + 30

\frac{( 2 - x )}{( x - 2 )} = 12

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

3 x^{- 2} - 13 x^{- 1} + 12 = 0

12880 = \frac{10000}{x + 1}