Question

verify a - (-b) = a + b for the following values of a and b
a = 21 , b = 18
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Answer 1

Step-by-step explanation:

A-(-B) = 21-(-18)

=AS WE KNOW -*- = +

SO 21+18=39

A+B=21+18

=39

THERFORE BOTH ARE EQUAL

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Answer 2

Step-by-step explanation:

given, a=21 and b=18

so, a - (-b) = a + b

21 - (-18) = 21 + 18

21 + 18 = 39

39 = 39