Answer:
16,912 is the answer, Because you have to add it all up, then divide by 2, and then find the closest to your answer.
Step-by-step explanation:
Step-by-step explanation:
-5x = 10 + 10
-5x = 20
X = 20/-5
X = -4
check :
-5 x -4 =20
20 =20

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The answer you want is going to be A.
Hope it helps.