Question

How do you solve `abs(7x+5)<23`?

Answer 1

`x in (-4, 18/7)`

Explanation:

By the property: `|a| < b ==> -b < a < b`
`-23 < 7x + 5 < 23`

`-23 - 5 < 7x < 23 - 5`

`-28/7 < x < 18/7`