Question

alguien me resuelve este ejercicio:
b) 4 · [(+5) + (–7)] – (–3) · [7 – (+3)] =

Answer 1

Respuesta:

4

Explicación paso a paso:

4 · [(+5) + (–7)] – (–3) · [7 – (+3)]

4.[5 –7]+3.[ 7 – 3]

4.[-2]+3.[4]

-8+12

4