What is the answer to 4/20 = 7/x ?

The answer to 4/20 = 7/x is x=35

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

4/20 = 7/x

\frac{4}{20} = \frac{7}{x}

x = 35

Solution steps

\frac{4}{20} = \frac{7}{x}

Cross multiply

4 x = 140

Divide both sides by

4

x = 35

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 35

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

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

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

x, y = \frac{2 x + 7}{2 x - 1}

\frac{4}{v} = \frac{v - 6}{v - 4}