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September 17, 2014

September 17, 2014

Posted by **Vivian** on Saturday, January 21, 2012 at 1:18pm.

- arithmetic -
**drwls**, Saturday, January 21, 2012 at 1:31pmDo you mean an arithmetic SERIES?

(With the accent in the syllable MET?) In that case, "arithmetic" is an adjective with a specific meaning. There are many other kinds of series.

If so, the difference between consecutive terms must be constant.

That means that 3x + 5 = 6x - 10

3x = 15

x = 5

The first three terms would be

5, 25 and 45.

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