Answer:
= -(-x)=x for x=6/7
= -(-6/7) = 6/7
= - cancelled by - and it will be 6/7 = 6/7
Answer: where there is legally administered bilingualism in bilingual regions or at national borders or where there is a relevant tourist or commercial interest airports, train stations, ports, border checkpoints, tourist attractions, international itineraries, international institutions.
Explanation: I hope this helps probably not but you welcome :)