Question

Даю 15 баллов!

Найдите х

Answer 1

$- \frac{11}{21} x$

Answer 2

2 9/14*x- 1 17/21*x= 1 1/9

2x=1 1/9 - 2 9/14 + 1 17/21

2x=10/9- 37/17+ 38/21

2x= 140/126 - 333/126+ 38/21

2x= -193/126+ 37/21

2x= -193/126+222/126

2x=29

x=29:2

x=14,5