Math, asked by wwwrayajay666, 9 months ago

if a =(21) and b=(-7, show that (a-b) not equal to(b-a)

Answers

Answered by TakenName
2

(a-b)≠(b-a)

(a-b)+(a+b)≠(b-a)+(a+b)

2a≠2b

a≠b

Answered by ad9102456
1

Answer:

21-(-7)

21+7-28

_7-21_-28

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