Решите линейное уравнение : 1/3x=12 2/3y=9 -4x=1/7 5y=-5/8 1/6y=1/3 2/7x=0 !

1/3х=12             2/3у=9           -4х=1/7            5у=-5/8          1/6у=1/3           2/7х=0
х=12:1/3            у=9:2/3          х=1/7:(-4)         у=-5/8:5          у=1/3:1/6        Корней нет
х=36                  у=13 1/2        х=-1/28            у=-1/8              у=1/3