5к*2=4к+12
10к-4к=12
6к=12
к=2
(7р+5)*4=р+3
28р+20=р+3
27р=-17
р=-17/27
5k * 2 = 4k + 12
10k = 4k + 12
6k = 12
k = 2
p + 3 = 4 * (7p + 5)
p + 3 = 28p + 20
p - 28p = 20 - 3
-27p = 17
p = -17/27
5к*2=4к+12
10к-4к=12
6к=12
к=2
(7р+5)*4=р+3
28р+20=р+3
27р=-17
р=-17/27
5k * 2 = 4k + 12
10k = 4k + 12
6k = 12
k = 2
p + 3 = 4 * (7p + 5)
p + 3 = 28p + 20
p - 28p = 20 - 3
-27p = 17
p = -17/27