Verified answer

4x+24<0

x= 24-4

x= 20

2(x-1)=3(x-7)

2x-1 = 3x-7

1= 3x-2x-7

1= x-7

x= 7-1

x=6

4x+24<0

4x<-24

x<-24/4

x<-6

2x-2=3x-21

2x-3x=-21+2

-x=-19

x=19