Answer :
Answer:
A. 12 + (negative 9)
Step-by-step explanation:
8 + 4 - 9 = 3
12 - 9 = 3
-12 + 9 = -3
-4 - 9 = -13
4 - 9 = -5
this means that 8 + 4 - 9 = 12 - 9
making A the right expression
Answer:
A. 12 + (negative 9)
Step-by-step explanation:
8 + 4 - 9 = 3
12 - 9 = 3
-12 + 9 = -3
-4 - 9 = -13
4 - 9 = -5
this means that 8 + 4 - 9 = 12 - 9
making A the right expression