SOLUTION: x; 2x+1; 11 are three consecutive terms of an arithmetic sequence.calculate x

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Question 1103079: x; 2x+1; 11 are three consecutive terms of an arithmetic sequence.calculate x
Answer by Alan3354(69443) About Me  (Show Source):
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x; 2x+1; 11 are three consecutive terms of an arithmetic sequence.calculate x
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2x+1 - x = 11 - (2x+1)