Mathematics

First term of an ap is twice it's common difference. If the sum of the first two term of the AP is130. Find the first term of the ap.

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  1. a = 2d
    a + a+d = 130
    so,
    2a+d = 130
    4a+2d = 260
    4a+a = 260
    a = 52

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    oobleck

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