What is the answer to (21)/x = 6/2 ?

The answer to (21)/x = 6/2 is x=7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(21)/x = 6/2

\frac{21}{x} = \frac{6}{2}

x = 7

Solution steps

\frac{21}{x} = \frac{6}{2}

Cross multiply

42 = x \cdot 6

Switch sides

x \cdot 6 = 42

Divide both sides by

6

x = 7

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 7

\frac{5}{x - 8} = 0

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

\frac{5.8}{x} - 62 = - 4

(x^{- 1})^{- 1} = x

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