Question

−6+{7−4−[−2+3−(1+5−8)]}−9=

Answer 1

Explicación paso a paso:

$- 6 + (7 - 4 - ( - 2 + 3 - (1 + 5 - 8))) - 9 \\ - 6 + (3 - (1 - ( - 2)))- 9 \\ - 6 + (3 - (1 + 2)) - 9 \\ - 6 + (3 - (3)) - 9 \\ - 6 + (0) - 9 \\ - 6 - 9 = - 15$