Решите уравнения: 8*(@+1)[email protected]=9, (18у-12)/6+5у=14, 5*(8е-1)-28е=19

8(@+1)[email protected]=9
[email protected][email protected]=9
[email protected]@=9-8
@=1

(18y-12)/6+5y=14
18y/6-12/6+5y=14
3y-2+5y=14
3y+5y=14+2
8y=16
y=16/8
y=2

5(8e-1)-28e=19
40e-5-28e=19
40e-28e=19+5
12e=24
e=24/12
e=2