What is the answer to (x+1)/(x-7)= 5/7 ?

The answer to (x+1)/(x-7)= 5/7 is x=-21

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(x+1)/(x-7)= 5/7

\frac{x + 1}{x - 7} = \frac{5}{7}

x = - 21

Solution steps

\frac{x + 1}{x - 7} = \frac{5}{7}

Cross multiply

7 x + 7 = 5 x - 35

Move

7

to the right side

7 x = 5 x - 42

Move

5 x

to the left side

2 x = - 42

Divide both sides by

2

x = - 21

Verify Solutions

Find undefined (singularity) points:

x = 7

Combine undefined points with solutions:

x = - 21

\frac{x + 6}{x - 2} = 5

2 x - 3 = \frac{13}{x + 4}

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

1.6003 = \frac{41.74}{x}

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

What is the answer to (x+1)/(x-7)= 5/7 ?
The answer to (x+1)/(x-7)= 5/7 is x=-21
Solve for x: (x+1)/(x-7)= 5/7
The solution is x=-21