(2865+к)*125=542 875
358 125+125к=542 875
125к=542 875-358 125
125к=184 750
к=184 750:125
к=1 478
(2865+1478)*125=542 875
(2865+к)*125=542 875
358 125+125к=542 875
125к=542 875-358 125
125к=184 750
к=184 750:125
к=1 478
(2865+1478)*125=542 875