Respuesta :

2 + 5 - 67 + 15 - 7 + 43 + 2 
= 7 - 67 + 15 - 7 + 43 + 2
= -60 + 15 - 7 + 43 + 2
= - 45 - 7 + 43 + 2
= -52 + 43 + 2
= -9 + 2
= -7 (answer)