Question

9.3. Verify a - (- b) = ato for the following
values of a and be
a = 21 , b = 18​

Answer 1

Answer:

39

Step-by-step explanation:

a-(-b)

a=21

b=18

ATQ

21-(-18)

21+18=39

Answer 2

$a - ( - b) \\ a + b$

Because,

- and - is +.

$put \: the \: value \: of \: a \: and \: b \: given \\ a + b \\ 21 + 18 = 39$

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