Question

E = - 8 + [-2 + 5 -[ - 7-( + 7)] - 9)

Answer 1

E = -8 + [ -2 +5 - [ -7 - (+7)] -9]

E = -8 + [ -2 +5 - [ -7 -7] -9]

E = -8 + [ -2 +5 - [ -14] -9]

E = -8 + [ -2 +5 +14 -9]

E = -8 + [8]

E = -8 +8

E = 0

espero haberte ayudado.