solve this

[njiwa]

There is a train that is empty and there are 10 stops,if at the first 5 stops it carries 7 passengers and at the last 5 stops it releases 1+4-5+2+3+2-7+1+2 and 4 passengers.How many passengers are left at the train after the last stop?

 

[Erickb52]

Sasa km last stop ishafikiwa itakuwa inaenda wapi? inapaa au? After last stop there will be no more movement.