Respuesta :

-10(v-12)=-10v+120
-10(-2v+9)=20v-90
-10v+120<20v-90
Move v’s in one side and the numbers in other side
Then
We move -10v and -90 to opposites sides to become
120+90=210<10v+20v=30v
210<30v
Divide by30
7