confirm this is correct bec. when I check it, it doesn't add up the same.
13 - 3P = -5(3+ 2P)
13 - 3P = - 15 -10P
13 = -15 -7P
28/-7 = -7P/-7
-4 = P
13 - 3P = -5(3+ 2P)
13 - 3P = - 15 -10P
13 = -15 -7P
28/-7 = -7P/-7
-4 = P