SOLUTION: what are the next two numbers on a number pattern -29,-12,5

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Question 342694: what are the next two numbers on a number pattern -29,-12,5
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Look at the difference between each successiuve pair of numbers
-29 and -12 ... difference +17
-12 and 5 ... difference +17
So add 17 to 5 to get 22
and then add 17 to 22 to get 39