What is the answer to (x+3)/x = 4/5 ?

The answer to (x+3)/x = 4/5 is x=-15

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(x+3)/x = 4/5

\frac{x + 3}{x} = \frac{4}{5}

x = - 15

Solution steps

\frac{x + 3}{x} = \frac{4}{5}

Cross multiply

5 x + 15 = x \cdot 4

Move

15

to the right side

5 x = x \cdot 4 - 15

Move

x 4

to the left side

x = - 15

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = - 15

\frac{8}{x} = \frac{24}{x - 4}

x - \frac{3 x}{x + 6} = 2

8 = a^{- 3}

x^{- 4} = \frac{1}{16}

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