Question

5-{43-[15+43(-35+1)-58+43]-2}

Answer 1

Operamos (-35+1)=-34
 
5-{43-[15+43-34-58+43]-2}

operamos [15+43-34-58+43]=9

5-{43-9-2}

operamos{43-9-2}=32

5-32=-27

rpta:-27