How do you graph and solve #|3x|+2<11#?
1 Answer
Mar 18, 2016
-3 < x < 3
Explanation:
I3xI + 2 < 11
(3xI < 9
Separate solving into 2 parts:
a. 3x < 9 --> x < 3
b. - 3x < 9 --> x > -3
-3 < x < 3
------------- -3 ========== 0 =========== 3 -----------------
