Answer:
The answer is 8600
Step-by-step explanation:
because when you subtract 5160 by 4300 you get 860 so just add that from 5160 until you get to the 12th year because every year is 860. brainliest pls
<h3>SO, WHERE IS YOUR QUESTION?</h3>
BTW,,


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Answer:
11+x because the equation is reversabel.
Step-by-step explanation: