Answer:
See below
Explanation:
I'm guessing you want to fill in the blanks of the sequence?
We can represent this as an equation:
31-3x=18
-3x=13
x=-13/3
Second term: 31 - (13/3) = 26 2/3
Third term: 26 2/3 - (13/3) = 22 1/3
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