9.2*(0.01*y+0.412)=4.6

0.01y+0.412=4.6/9.2

0.01y=0.5-0.412

0.01y=0.088

y=0.088/0.01

y=8.8

0.01*y+0.412=4.6:9.2

0.01*у+0.412=0.5

0.01*у=0.5-0.412

0.01*у=0.088

у=0.088:0.01

у=8.8

Ответ:8.8