ini jawabannya yg mana

p = 2 , q = 7 , r = p.q/2p-q
r = 2.7/2.2-7
r = 14/4-7
r =-14/3
maka nilai p-q/r = 2-7/-14/3
-5/-14/3 = -5.3/-14 = -15/-14 = 15/14

S e m o g a m e m b a n t u ! ! ! !