Question

please answer the all questions and step by step please
​

Answer 1

1 ) ( - 9 ) + ( - 19 ) = 28

2 ) ( - 3 / 8 ) + 9 / 4 + ( - 5 / 8 )

- 3 / 8 + 18 / 8 - 5 / 8

- 3 + 18 / 8 - 5 / 8

15 / 8 - 5 / 8

15 - 5 / 8

10 / 8

5 / 4

3 ) ( - 3 . 8 ) - 5.6 = - 9.4

4 ) ( - 15 ) - ( - 16 ) - ( - 32 )

- 15 + 16 - ( - 32 )

1 - ( - 32 )

1 + 32

33

5 ) 1.6 + 3.0 = 4.6

6 ) 5.7 + ( - 7 4 ) + 4.1

- 68.3 + 4.1

- 64.2

7 ) 1.5 - 5.7 = - 4.2

8 ) ( - 3.0 ) - ( 5.7 ) - ( 5.2 )

- 8.7 - 5.2

- 13.9

9 ) ( - 38 ) + 31 = - 7

10 ) ( - 3 / 5 ) + ( - 4 / 8 ) + 7 / 5

- 3 / 5 - 1 / 2 + 7 / 5

- 6 / 10 - 5 / 10 + 7 / 5

- 6 - 5 / 10 + 7 / 5

- 11 / 10 + 7 / 5

- 11 / 10 + 14 / 10

- 11 + 14 / 10

3 / 10

11 ) 8 / 9 - 7 / 4

32 / 36 - 63 / 36

32 - 63 / 36

- 31 / 36

12 ) ( - 8 / 9 ) - 3 / 2 - ( 7 / 9 )

- 16 / 18 - 27 / 18 - 7 / 9

- 16 - 27 / 18 - 7 / 9

- 43 / 18 - 7 / 9

- 43 / 18 - 7 / 18

- 43 - 7 / 18

- 57 / 18

- 19 / 6

13 ) 40 + ( - 24 ) = 16

14 ) ( - 5 / 3 ) + ( - 8 / 9 ) + 7 / 3

- 5 / 9 - 8 / 9 + 7 / 3

- 15 - 8 / 9 + 7 / 3

- 23 / 9 + 7 / 3

- 23 / 9 + 21 / 9

- 23 + 21 / 9

- 2 / 9

hope helpful for you