Problem 1
3x  5 < 9 + x 2x  5 < 9 2x < 14 x < 7 
Problem 2
8  2x > 6 2x > 2 x < 1 
Sentence  Meaning  Graph  Solution 
x = a 

x = a or x = a  
x < a  The distance from x to 0 is less than a units.  a < x < a  
x > a  The distance from x to 0 is greater than a units  x < a or x > a 