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

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

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(3x)/(x+4)= 5/3

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

x = 5

Solution steps

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

Cross multiply

9 x = 5 x + 20

Move

5 x

to the left side

4 x = 20

Divide both sides by

4

x = 5

Verify Solutions

Find undefined (singularity) points:

x = - 4

Combine undefined points with solutions:

x = 5

\frac{12 ( 33000 )}{33000 + x} = 2.75

\frac{x}{5 x + 2} = 4 x - 97 - 711 - 11

\frac{7500}{l} + 12 l = 0

R, P + N = \frac{R + 2}{R}

\frac{mk - t}{k + t} = 4