166,4 ÷ (89-(7х+76,66))=32 решите уравнение
89-7х-76,66=166,4:32 12,34-7х=5,2 7х=12,34-5,2 7х=7,14 х=7,14:7 х=1,02
166.4/(89-(7х+76.66))=33 166.4/(89-7х-76.66)=32 166.4/(12.34-7х)=32 166.4=32*12.34-7х*32 166.4=394.88-224х 166.4-394.88=-224х х=1.02