Question

решите уровнения...

Answer 1

1

2/7 x = 1

x = 1*7/2 = 7/2

2

9x = 1

x = 1 : 9 = 1/9

3

1 5/8 x = 1

13/8 x = 1

x = 8/13

4

1/2 x = 1

x = 2

5

7/15 x = 1

x = 15/7

6

3 2/5 x = 1

17/5 x = 1

x = 5/17

7

100x = 1

x = 1/100

8

2/13 x = 1

x = 13/2