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please help me please!!! Math

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Find a6 for an arithmetic sequence where a1=3x+1 and d=2x+6 . I can't even solve it because I do not have any idea.

  • please help me please!!! Math -

    in an arithmetic sequence
    term(n) = a + (n-1)d
    inyour case a = 3x+1
    d = 2x+6

    term(6) = a + 5d
    = 3x+1 + 5(2x+6)
    = 3x+1 + 10x + 30
    = 13x + 31

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