26 × х × 89 × z × 804 × y = (26×89×804)xyz = 1860456xyz
(7z - 93 ) : 41 : 8 =24 :12
(7z - 93 ) : 41 : 8 = 2
(7z - 93) :41 = 2 × 8
7z - 93 = 16 × 41
7z - 93 = 656
7z = 656 +93
7z = 749
z= 749 :7
z= 107
проверим:
(7 * 107 - 93 ) : 41 : 8 = 24 : 2
(749 - 93 ) : 41 : 8 = 2
656 : 41 : 8 =2
16 :8 =2
2=2