Question

I need help answering both 15.a & 15.b picture is attached someone pls help!!

Answer 1

15A. 3X/2 <9

3X< 9*2

3X<18

X<18/3

X<6

15B. 4(X+2)>12

X+2>12/4

x+2>3

X >3-2

x>1