What is the answer to 15-(42)/b =8 ?

The answer to 15-(42)/b =8 is b=6

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

15-(42)/b =8

15 - \frac{42}{b} = 8

b = 6

Solution steps

15 - \frac{42}{b} = 8

Move

15

to the right side

- \frac{42}{b} = - 7

Multiply both sides by

b

- 42 = - 7 b

Switch sides

- 7 b = - 42

Divide both sides by

- 7

b = 6

Verify Solutions

Find undefined (singularity) points:

b = 0

Combine undefined points with solutions:

b = 6

\frac{x}{2 x + 3} + 1 = 0

\frac{x}{2} = \frac{2}{x}

0 = \frac{x}{9 x ^{2} - 4}

\frac{5}{2 x} - \frac{4}{x} = 3

\frac{2}{2 x - 1} = \frac{4}{3 x + 2}