# How do you solve the equation abs(1-1/5x)=3?

Apr 6, 2017

$x \in \left\{20 , - 10\right\}$

#### Explanation:

1 - x/5 = ± 3

Add $- 1$, after that multiply by $- 5$.

- x/5 = -1 ± 3

x/5 = +1 ± 3

x = 5 ± 15