SOLUTION: Arithmetic -- No decimal answers I am having trouble understanding this problem. I need to show my work as well. Find the sum of -2+4+10+....+142 Thank you in advance.

Question 1115795: Arithmetic -- No decimal answers
I am having trouble understanding this problem. I need to show my work as well.
Find the sum of -2+4+10+....+142
Thank you in advance.
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Several similar problems posted.
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Learn how to do them.
Getting the answers is no help.

Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Arithmetic Series, the sequence common difference being 6. Initial sequence term being -2. Find which term is 142 of the sequence. Lookup or derive the needed summation formula.
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