Question

1. Verify a - (-b) = a + b for the following values of a and b.
i) a = 15, b = 9
ii) a = 75, b = 55

Answer 1

Answer:

hi

Step-by-step explanation:

Answer 2

Answer:

(i) 24

(ii) 130

Step-by-step explanation:

(i) 15 - (-9)

= 15 + 9

= 24

(ii) 75 - (-55)

= 75 + 55

= 130

Formula:

+ + = +

-  -  = +

- + =  -

+ - =  -