(5х/6-1.1)*0.8=5х/6-1.98
(5х/6)*0.8-1.1*0.8=(5х/6)-1.98
1.98 -1.1*0.8=(5х/6)*(1-0.8)
1.98 -0.88=(5х/6)*(1-0.8)
1.1=(5х/6)*0.2
1.1=х/6
х=6.6
Ответ: 6.6
Пошаговое объяснение:
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(5х/6-1.1)*0.8=5х/6-1.98
(5х/6)*0.8-1.1*0.8=(5х/6)-1.98
(5х/6)*0.8-1.1*0.8=(5х/6)-1.98
1.98 -1.1*0.8=(5х/6)*(1-0.8)
1.98 -0.88=(5х/6)*(1-0.8)
1.1=(5х/6)*0.2
1.1=х/6
х=6.6
Ответ: 6.6
Пошаговое объяснение: