Respuesta :
Answer:
The Expression is equivalent to 12+3+ negative 7
Step-by-step explanation:
When you sub tract something for example 5-3 the three can be looked at as a negative number. 5-3=2 but 5+ (-3)=2 as well
Answer:
The last option
Step-by-step explanation:
12 - 7 + 3 (= 5 + 3 = 8).
This equals 12 + 3 + (- 7) (= 15 - 7 = 8 ) due to the commutative property.