# How do you solve and write the following in interval notation: #|x + 3| < 12#?

##### 1 Answer

May 6, 2018

#### Explanation:

To solve this we have to understand what |x+3| means, namely the absolute value of (x+3). That means (x+3) must have a value between -12 and +12, so

But for

And for

Therefore it follows that

Which also can be written as

Graphically