-3+4y=-5
1/3y+2=-1/6y+5

1) -3 + 4у = -5
4у = -5 + 3
4у = -2
у= -2 : 4 = - 0.5
2) 1/3у + 2 = -1/6у + 5
1/3 у + 1/6у = 5 - 2
2/6у + 1/6у = 3
3/6у = 3
1/2у = 3
у = 3 : 1/2 = 6