Question

Verify a – (– b) = a + b for the given values of a and b : a = 21, b = 18

Answer 1

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Here is your answer

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The value of a is given 21 and value of b is 18

L.H.S

$a - ( - b) \\ \\ 21 - ( - 18) \\ \\ 21 + 18 \\ \\ 39 \\ \\ rhs \\ \\ a + b \\ \\ 21 + 18 \\ \\ 39$
Verified ....☺️

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Answer 2

Answer:

The value of a is given 21 and value of b is 18