(х*344)/129=2400/75
(х*344)/129=32
(х*344)=32*129
(х*344)=4128
х=4128/344
х=12
(12*344)/129=2400/75
32=32
(х*344)/129=2400/75
(х*344)/129=32
(х*344)=32*129
(х*344)=4128
х=4128/344
х=12
(12*344)/129=2400/75
32=32