Question

Vertify that - (-x) = x for x = 13/15​

Answer 1

Answer:

Here, 

LHS=−(−x)=−(−(−1513))=(−1513)=x=RHS

Answer 2

Answer:

minus multiply by minus is equal to plus

$-(-13/15)=13/15$

$= 13/15= 13/15$