Arithmetic sequences

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  1. Arithmetic sequence formula
    Consider the arithmetic sequence: 5, 9, 13, 17, … .
    1. Identify the common difference.
    2. Determine the seventh term of the sequence.
    3. Which term in the sequence has a value of 85?
  2. Determine t1,d,tnt_1,d,t_n for the sequences in which two terms are given
    1. t4=14 t_4=14, t10=32t_{10}=32
    2. t3=14 t_3=-14, t12=59t_{12}=-59
  3. Three consecutive terms of an arithmetic sequence are written in the form:
    Solve for the value of x.