166,4:(89-(7х+76,66))=32
89-(7х+76,66)=166,4:32
89-(7х+76,66)=5,2
7х+76,66=89-5,2
7х+76,66=83,8
7х=83,8-76,66
7х=7,14
х=7,14:7
х=1,02
