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leva [86]
2 years ago
13

15 Points :p

Mathematics
1 answer:
azamat2 years ago
4 0

9514 1404 393

Answer:

  5n -3

Step-by-step explanation:

Try n=1 in each expression and see which gives you a first term of 2.

  2-5n = 2-5·1 = -3

  2n -5 = 2·1 -5 = -3

  5n -3 = 5·1 -3 = 2 . . . . . this is the expression you want

  5n +2 = 5·1 +2 = 7

__

<em>Additional comment</em>

For a common difference of 5, <em>the coefficient of n must be 5</em>. The second answer choice fails on that count also.

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