Question

-23m-[4m -(5m-4m)-7m-(5m-m)
por favor​

Answer 1

Resposta:

Vamos usar o cálculo com "m" igual a 1 assim o resultado será o mesmo, mesmo estando multiplicando por 1.

−23m−(4m−(5m−4m)−7m−(5m−m))

Evaluate for m=1

(−23)(1)−((4)(1)−((5)(1)−(4)(1))−(7)(1)−((5)(1)−1))

=−23−((4)(1)−((5)(1)−(4)(1))−(7)(1)−((5)(1)−1))

=−23−(4−((5)(1)−(4)(1))−(7)(1)−((5)(1)−1))

=−23−(4−(5−(4)(1))−(7)(1)−((5)(1)−1))

=−23−(4−(5−4)−(7)(1)−((5)(1)−1))

=−23−(4−1−(7)(1)−((5)(1)−1))

=−23−(3−(7)(1)−((5)(1)−1))

=−23−(3−7−((5)(1)−1))

=−23−(−4−((5)(1)−1))

=−23−(−4−(5−1))

=−23−(−4−4)

=−23−(−8)

=−15m

Explicação passo a passo: