Question

How do you solve and write the following in interval notation: `| 3 - x | >7`?

Answer 1

The answer is `x in ]-oo, -4[uu ]10,+oo[`

Explanation:

There are 2 solutions

`3-x>7` and `-3+x>7`

`x<-4` and `x>10`

The solutions are

`x in ]-oo, -4[uu ]10,+oo[`