8 - х - 2(9/12)=3(10/12)
х=8-3(5/6)-2(3/4) = 8 - 23/6 - 11/4 = 8 - (46+33)/12=8 - 79/12= 8-6(7/12)=2(7/12)
ответ х= 2(7/12)
8 - х - 2(9/12)=3(10/12)
х=8-3(5/6)-2(3/4) = 8 - 23/6 - 11/4 = 8 - (46+33)/12=8 - 79/12= 8-6(7/12)=2(7/12)
ответ х= 2(7/12)