Question

3x+1.2<-7x-1.3 (An Inequality Problem)

Answer 1

x<-4

Answer 2

because you move the -7x over next to 3x. which makes 10x -1.2<-1.3
then move -1.2 over next to -1.3 which makes -2.5
10x<-2.5
10/-2.5 = -4

substitue into equation = x<-4