Respuesta :
3x + 12 < 6
subtract 12 from each side
3x +12 -12 < 6-12
3x < -6
divide by 3
x <-6/3
x < -2
or
x-10> 5
add 10 to each side
x-10 + 10> 5+10
x> 15
The first inequality:
3x+12<6
subtract 12 from both sides
3x<-6
divide both sides by 3
x<-2
The second inequality:
x-10>5
add 10 to both sides
x>15
Answer: x<-2 or x>15