Question

How do you solve `|z - 4| = 3`?

Answer 1

`z=1 or 7`

Explanation:

`|z-4|=3`

`|3|` is either `3` or `-3`

`therefore z-4 = +-3`

add 4:

`z=3+4=7`
`z=-3+4=1`

`z=1 or 7`