# How to solve this equation:

• Aug 26th 2010, 12:06 PM
jenbones
How to solve this equation:
(4) / (x -5) - (1) / (5) = (-5) / (5x - 25)

I need help on how to solve that equation ^^^
• Aug 26th 2010, 12:14 PM
yeKciM
Quote:

Originally Posted by jenbones
(4) / (x -5) - (1) / (5) = (-5) / (5x - 25)

I need help on how to solve that equation ^^^

i think you wrote :D

$\displaystyle \frac {4}{x-5} - \frac {1}{5} = \frac {-5}{5x-25}$

$\displaystyle \frac {4}{x-5} - \frac {1}{5} = \frac {-5}{5(x-5)}$

so multiply all with 5(x-5)

$\displaystyle 20 - (x-5) = -5$

$\displaystyle -x+25=-5$

$\displaystyle x = 30$