Respuesta:
a) -5
Explicación paso a paso:
(-2) + (5)= 3
= 3 + (-8)
aplicar la regla + (-a) = -a
+ (-8) = -8
3 - 8
3 - 8 = -5
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Respuesta:
a) -5
Explicación paso a paso:
(-2) + (5)= 3
= 3 + (-8)
aplicar la regla + (-a) = -a
+ (-8) = -8
3 - 8
3 - 8 = -5