What is the answer to 7/(7b+3)= 2/(b-3) ?

The answer to 7/(7b+3)= 2/(b-3) is b=-27/7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

7/(7b+3)= 2/(b-3)

\frac{7}{7 b + 3} = \frac{2}{b - 3}

b = - \frac{27}{7}

Decimal Notation

b = - 3.85714 \dots

Solution steps

\frac{7}{7 b + 3} = \frac{2}{b - 3}

Cross multiply

7 b - 21 = 14 b + 6

Move

21

to the right side

7 b = 14 b + 27

Move

14 b

to the left side

- 7 b = 27

Divide both sides by

- 7

b = - \frac{27}{7}

Verify Solutions

Find undefined (singularity) points:

b = - \frac{3}{7}, b = 3

Combine undefined points with solutions:

b = - \frac{27}{7}

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

- f (a) = \frac{4 x - 1}{7 x + 2}

\frac{6}{2} = \frac{4}{P}

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

23 = x^{2} + (\frac{1}{x ^{2}})

What is the answer to 7/(7b+3)= 2/(b-3) ?
The answer to 7/(7b+3)= 2/(b-3) is b=-27/7
Solve for b: 7/(7b+3)= 2/(b-3)
The solution is b=-27/7