Question

$a = 21.b = 18$
verify a-(-b)=a+b for the following values a and b ​

Answer 1

Step-by-step explanation:

a=21

b=18

a-(-b) =a+b

21-(-18)=21+18

21+18=21+18

39=39

answer is 39

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Answer 2

Answer:

Step-by-step explanation:

a=21  , b=18

a-(-b) =a+b

21-(-18)=21+18

21+18=21+18

39=39

answer is 39

hence proved .