How do you solve the compound inequalities #4b - 7 < 3 - b < 2b + 6#?
1 Answer
Jun 9, 2015
Solve compound inequality:
4b - 7 < 3 - b < 2b + 6
Explanation:
a. 4b - 7 < 3 - b
5b < 3 + 7 -> 5b < 10 --> b < 2
b. 3 - b < 2b + 6
-3b < 6 - 3 -->-3b < 3 --> b > -1
---------------------|-1=====|0===========|2-----------------
