Mathematics, 29.06.2020 04:01 kkqueen01

The sum of the 3rd term and 4th term of an arithmetic sequence is 18. The 7th term exceeds the 5th term by 14. Find the first term and common difference.

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The sum of the 3rd term and 4th term of an arithmetic sequence is 18. The 7th term exceeds the 5th t...