Question 176475
3 and -3---->1/3 and -1/3
:
 in general if -a is the opposite of a is -1/a the opposite of 1/a
:
 if -a+a=0
:
 then is(-1/a)+(1/a)= to zero  -1+1/a=0/a=0
:
it appears as if the answer is YES