Question

помогите с математикой срочно! ​

Answer 1

Ответ:

1 ) 2/7х=1

2х =7

х = 7/2

х = 3 1/2

2) 9х =1

х = 1/9

3) 1 5/8 х = 1

7х =4

х = 4/7

4) 1/2 х =1

х = 2

5 ) 7/15 х = 1

7х = 15

х = 15/7

х = 2 1/7

6 ) 3 2/5 х = 1

17 х = 5

х = 5/17

7 ) 100 х = 1

х = 1/100

8 ) 2/13 х = 1

2х = 13

х = 13/2

х = 6 1/2