Question

(5 7/9-x)+2 3/4=3 5/12​

Answer 1

Ответ: х=5 1/9

Пошаговое объяснение:

(5 7/9-x)+2 3/4=3 5/12

5 7/9-x=3 5/12-2 3/4

х=5 7/9-(3 5/12-2 3/4)

х=5 7/9-3 5/12+2 3/4

х=(5-3+2)+(7/9-5/12+3/4)

х=4+(4×7-3×5+9×3)/36

х=4+40/36

х=4+10/9

х=4+1 1/9

х=5 1/9