Question

1,195:(0,5y-4,22)=0,25

Answer 1

1.195:(0.5y-4.22)=0.25
0.5y-4.22=1.195:0.25
0.5y-4.22=4.78
0.5y=4.78+4.22
0.5y=9
y=9:0.5
y=18