verify a-(-b)=a+b if a=21 and b=18
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Answered by
2
Step-by-step explanation:
a-(-b)= a+b
(minus multiplied by minus is plus)
therefore, a+b=a+b
21+18=21+18
= 39=39
therefore
a-(-b) = a+b
Answered by
3
To verify:a-(-b)=a+b
LHS=a-(-b)
=21-(-18) [a=21 and b=18]
=21+18
=39
RHS=a+b
=21+18
=39
LHS=RHS
a-(-b)=a+b [verified]
hope this helps you!
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