What is the answer to 2/a-2=(12)/(7a) ?

The answer to 2/a-2=(12)/(7a) is a= 1/7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2/a-2=(12)/(7a)

\frac{2}{a} - 2 = \frac{12}{7 a}

a = \frac{1}{7}

Decimal Notation

a = 0.14285 \dots

Solution steps

\frac{2}{a} - 2 = \frac{12}{7 a}

Multiply by LCM

14 - 14 a = 12

Move

14

to the right side

- 14 a = - 2

Divide both sides by

- 14

a = \frac{1}{7}

Verify Solutions

Find undefined (singularity) points:

a = 0

Combine undefined points with solutions:

a = \frac{1}{7}

y, x = \frac{9}{y}

b (x) = \frac{5 x}{x ^{2} - 25}

\frac{a}{b} = c, b

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

\frac{x}{x + 1} - 4 = - \frac{1}{x + 1}