[tex] 12-6x>24\\Subtract\ 12\\\\ 12-6x+(-12)>24+(-12)\\-6x>12\\Divide\ by\ -6\\\\\frac{-6x}{-6}>\frac{12}{-6}\\x<-2\\(The\ direction\ of\ the\ sign\ is\ reversed\ because\ you're\ dividing\ by\ a\ negative\ number.)[/tex]
Thus, your answer is x < -2.