Verify that : a – (– b) = a + b for a = 21 and b = 18
Answers
Answered by
2
Answer:
39=39
Explanation:
a-(-b) =a+b
21-(-18) =21+18
21+18=21+18
39=39
Answered by
1
Answer:
39=39
Explanation:
a-(-b) = a+b
21-(-18)= 21+18
21+18 =21+18
39=39
LHS=RHS
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