Question

Findthe sum of–515 + 215 and verifyby using commutative property.

Answer 1

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Answer:

-515+215

=215-515

=-300

Verification:

We know that for commutative property:

a+b=b+a

Here, a= -515 and b=215

Now, LHS,

-515+215

=-300

RHS,

=215+(-515)

=215-515

=-300

LHS=RHS

Hence verified.