(х+5/12) - 1 1/6 = 1,25

(х+5/12) - 1 1/6 = 1,25
х+5/12-1  1/6=125/100
х+5/12=125/100+1  1/6
х+5/12=5/4+7/6
х+5/12=15/12+14/12
х+5/12=29/12
х=29/12-5/12
х=24/12
х=2