1 - 3/2у + 17/5у = 4/3у - 37/15у + 5/2
-3/2у + 17/5у - 4/3у + 37/15у = 5/2 - 1
-45/30у + 102/30у - 40/30у + 74/30у = 3/2
91/30у = 3/2
у = 3/2 : 91/30
у = 3/2 * 30/91
у = 90/182 = 45/91
1 - 3/2у + 17/5у = 4/3у - 37/15у + 5/2
-3/2у + 17/5у - 4/3у + 37/15у = 5/2 - 1
-45/30у + 102/30у - 40/30у + 74/30у = 3/2
91/30у = 3/2
у = 3/2 : 91/30
у = 3/2 * 30/91
у = 90/182 = 45/91