SOLUTION: Find the 18th term of the arithmetic sequence 12, 5, -2, -9 a18=-107 Am I correct?

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Question 191779This question is from textbook saxon algebra 2
: Find the 18th term of the arithmetic sequence 12, 5, -2, -9
a18=-107
Am I correct? This question is from textbook saxon algebra 2

Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
YES
12 +(n-1) (-7) = -107
for n=18
arithmetic series, difference = (-7)