jika p=2q dan r=2q+p/5 berapakah nilai p,r,q? tolong bantuanya guys penting banget

p = 2q
r = 2q+p/5
p ?, r? ,q?

p=2q
r = 2q+p/5
r-p/5 = 2q
r - 2q/5 = 2q
r - 1/5 = 1
r = 1+1/5
r = 6/5

r = 2q+p/5
6/5 = 2q + p/5
6/5 = p + p/5
6/5 = 6p/5
30 = 30p
p = 1

p = 2q
1 = 2q
q = 1/2