Question

verify that -(-x)=x,when:(|)x=8/5 (||)x=-5/7​

Answer 1

Step-by-step explanation:

given,

-(- x ) =x

now,

x =8/5

-(-8/5)= 8/5

8/5=8/5

x=-5/7

-(-(-5/7) =-5/7

-5/7=-5/7

hence proved

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