Let's solve for i.
9x + 7i <3 (3x+7u)
First add -9x to both sides.
7i + 9x + −9x < 21u + 9x + −9x
7i < 21u
Then Divide both sides by 7.
7i/7 < 21u/7
The answer is i < 3u
6.5m questions
8.7m answers