Question

verify that a+b=b+a for each of the following:-
(a=-9/11;b-4/11)
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Answer 1

Answer:

12/11

Step-by-step explanation:

a+b=b+a

9/11 + 4/11 = 4/11 + 9/11

13/11 = 13/11

1 2/11= 12/11

Answer 2

Answer:

-13/11=-13/11

Step-by-step explanation:

-9/11+(-4/11)=-4/11+-(9/11)

-9/11-4/11=-4/11-9/11

-13/11=13/11

i hope it will help you

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