Question

verify that (-(-a)) =a, for each of the following rational numbers: 1/7​

Answer 1

Step-by-step explanation:

a=-7

-a=-(-7)=7

-(-a) =a

-(7)=-7

-7=-7

HENCE, VERIFIED

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Answer 2

Step-by-step explanation:

(-(-a))=a

LHS = (-(a))

=(-(-1/7))

=1/7

RHS=a

=1/7