What is the answer to 2/x+3/7 =4 ?

The answer to 2/x+3/7 =4 is x= 14/25

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2/x+3/7 =4

\frac{2}{x} + \frac{3}{7} = 4

x = \frac{14}{25}

Decimal Notation

x = 0.56

Solution steps

\frac{2}{x} + \frac{3}{7} = 4

Multiply by LCM

14 + 3 x = 28 x

Move

14

to the right side

3 x = 28 x - 14

Move

28 x

to the left side

- 25 x = - 14

Divide both sides by

- 25

x = \frac{14}{25}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{14}{25}

\frac{3 x}{4 x} = \frac{180}{12 x}

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

\frac{3}{5 f + 24} = \frac{4 - 1}{5 f}

\frac{8}{3 x - 4} = \frac{3}{x + 3}

x, e = \frac{x}{x + 2}