Question

suprimir paréntesis y corchetes.
-[(-5)-(7-12+9)+2]-2​

Answer 1

❥Holiwi꧂

-[(-5)-(7-12+9)+2]-2

=−(−5−(−5+9)+2)−2

=−(−5−4+2)−2

=−(−9+2)−2

=−(−7)−2

=7−2

=5