Solve for a: 1/9*|5a + 2| < 1. Express your answer in interval notation.
|5a+2| <9
if 5a+2 is positive 5a+2 < 9
a < 7/5
if 5a+2 is negative 5a+2 > -9
a > -11/5
-11/5 < a < 7/5 or ( -11/5 , 7/5)
+37159 
