What is the answer to 2/5+2/x =1 ?

The answer to 2/5+2/x =1 is x= 10/3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2/5+2/x =1

\frac{2}{5} + \frac{2}{x} = 1

x = \frac{10}{3}

Decimal Notation

x = 3.33333 \dots

Solution steps

\frac{2}{5} + \frac{2}{x} = 1

Multiply by LCM

2 x + 10 = 5 x

Move

10

to the right side

2 x = 5 x - 10

Move

5 x

to the left side

- 3 x = - 10

Divide both sides by

- 3

x = \frac{10}{3}

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = \frac{10}{3}

- \frac{3}{25} = \frac{15}{x}

\frac{9}{5} = \frac{w + 21}{w + 5}

a, u = \frac{v + w}{a - k}

\frac{1}{x - 1} + 5 = \frac{21}{x - 1}

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