How do you solve #9u - 16= 20#?

1 Answer
Mar 13, 2018

See below

Explanation:

Step 1: #9u-16=20#
First, you add #16# to both sides.
#9u=36#

Step 2: Now you need to divide both sides by #9#
So #9_u/9=36/9#

Step 3: #9_u/9# is #u# and #36/9# is #4#. So #u=4#.

The answer is #4#.