Math, asked by Khushigk, 10 months ago

a=2/-7,b=4/-21 (verify that a+b=b+a by taking

Answers

Answered by jaya92001

4

Answer:

2/-7+4/-21=4/-21+2/-7

-2/7-4/21=-4/21-2/7

-6-4/21. =-4-6/21

-10/21=-10/21

Stepstep explanation:

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