(2/3)p - (1/2)p = (1/3)
(1/6)p = (1/3)
(1/3) / (1/6) = p
2 = p
(1/6)p = (1/3)
(1/3) / (1/6) = p
2 = p
-
Here p cannot be zero, because the denominator cannot be zero.
To solve just multiply each term by 6p and get
4 = 3 + 2p ==> 2p = 1 ==> p = 1/2 OK!
To solve just multiply each term by 6p and get
4 = 3 + 2p ==> 2p = 1 ==> p = 1/2 OK!