Math, asked by modi532, 1 year ago

please answer question no 9

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Answered by kunika2

1

-(x+y)=(-x)+(-y)
x=3/4,y=6/7
-(3/4+6/7)=(-3/4)+(-6/7)
-(21+24/28)=(-3/4)-6/7
-(45/28)=-21-24/28
-45/28=-45/28

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