Solve the Inequality and Express the Solution Set Using Interval $6 ( x - 9 ) - 4 ( x - 12 ) < 20$

Multiple Choice

Solve the inequality and express the solution set using interval notation. $6 ( x - 9 ) - 4 ( x - 12 ) < 20$

A) $( 13 , + \infty )$
B) $( - \infty , 13 ]$
C) $[ 13 , + \infty )$
D) $( - \infty , 13 )$