2. Solve for x if the following terms form an arithmetic sequence, (3x),(7x-14) and 5x - 4. Solution: given: a₁ = 3x a₂= 7x14 a, = 5x -4 d=a₂-a₁ d = a - a₂ (a₂-a₁) = (a - a₂) answer, x = 4, show your solutions.

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A: Given a geometric sequence.

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A:

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A:

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A:

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A: 1. In first. 1+1=2 2+3=5 5+4=9 9+5=14 14+6=20 20+7=27 Hence the eqution is  an=an-1+n

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A: