-2p-4a=-2(p+2a)
-p+a
22a-12p=2(11a-6p)
6a-10y=2(3a-5y)
2k-3y
13y-2
2y+k-10
19y-2
y-10
2y-4k=2(y-2k)
-k-3b
k
22а-12p
6a-10y
k-3y
13y-2
2y+k-10
19y-2
y-10
-2p-4a=-2(p+2a)
-p+a
22a-12p=2(11a-6p)
6a-10y=2(3a-5y)
2k-3y
13y-2
2y+k-10
19y-2
y-10
2y-4k=2(y-2k)
-k-3b
k