SOLUTION: PLEASE HELP! I don't know how I would solve this : An arithmetic sequence is defined: k, 15, k+18 what is the value of k? PLS ANSWER THANKS

Algebra ->  Sequences-and-series -> SOLUTION: PLEASE HELP! I don't know how I would solve this : An arithmetic sequence is defined: k, 15, k+18 what is the value of k? PLS ANSWER THANKS      Log On


   

Question 833412: PLEASE HELP! I don't know how I would solve this : An arithmetic sequence is defined: k, 15, k+18 what is the value of k? PLS ANSWER THANKS
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Difference between consecutive terms is the same.

15-k=%28k%2B18%29-15