Verify- (- x) =x for (i)x=3/5 (ii)x=-7/9 (iii)x=13/-15
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i) x=3/5
- (- x) = x
- (- x) = ―3/5
ii)x= ―7/9
- (- x) =x
- (- x)= 7/9
iii) x=13/-15
- (- x) =x
- (- x) =13/15
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