What is the answer to 4-5/y = 7/y ?

The answer to 4-5/y = 7/y is y=3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

4-5/y = 7/y

4 - \frac{5}{y} = \frac{7}{y}

y = 3

Solution steps

4 - \frac{5}{y} = \frac{7}{y}

Multiply both sides by

y

4 y - 5 = 7

Move

5

to the right side

4 y = 12

Divide both sides by

4

y = 3

Verify Solutions

Find undefined (singularity) points:

y = 0

Combine undefined points with solutions:

y = 3

\frac{399}{2 - 4 x} = 694

\frac{1}{3 ( 6 x + 12 ) - 2 ( x - 7 )} = 19

\frac{x - 5}{5 x} + 1 = \frac{x + 3}{x}

10 0^{2} \frac{1}{x} = 2000

\frac{6}{2 w} = - 24