12x-39<9 and - 4x+3<-6

Remember, you can do anything to an equation as long as you do it to both sides

and when multiply or divide by a negative in inequalities, flip the direction of the sign

12x-39<9

add 39 to both sides

12x<48

divde bothh sides by 12

x<4

-4x+3<-6

minus 3 both sides

-4x<-9

times both sides by - 1 and flip sign

4x>9

divide both sides by 4

x>9/4