Question

СРОЧНОО 40 БАЛЛОВ!!!​

Answer 1

(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

Answer 2

Ответ: 6.6

Пошаговое объяснение:

$(\frac{5}{6}x-\frac{11}{10})*\frac{4}{5}=\frac{5}{6}x-\frac{99}{50}\\\\\ 100x-125x=-297+132\\\\-25x=-165\\\\x=\frac{33}{5}=6.6$