How do you solve |3z9|=5?

1 Answer
Mar 6, 2018

z=143,43

Explanation:

|3z9|=5
break the absolute value or modulus into positive and negative components, i.e.

3z9=5 and (3z9)=5

3z9=5

3z=14

z=143

and
(3z9)=5

3z9=5

3z=4

z=43