help

-2<3-5x<18 <=>plus negative 3 every member: -2-3<-5x<18-3 <=> multiply -1 all membera and {The direction of the relationship changes!!!} : 5>5χ>-15 <=> divide with 5 so 1>x>-3 

Sorry for my english. 

-2 < 3 - 5x < 18

-5 < -5x < 15

-3 < x < 1

~The smartest cookie in the world :)