1/2 ( p - 3 ) = 2/3 ( 3p + 6 ) = 15

1/2(p-3)=2/3(3p+6)=15
1/2p-3/2=2p+4-15
1/2p-2p=4+3/2-15
-3/2p=-19/2
P=-19/2:-3/2
P=19/3

Maaf ya kalo salah :)

•
1/2 (p - 3) = 2/3
p - 3 = 2 × 2/3
p = 4/3 - 3
p = (4 - 9)/3
p = -5/3 ✓

••
3p + 6 = 15
3p = 15 - 6
p = 9/3
p = 3 ✓