Geometry

An angle is 15 less than four times its supplement. Find both angle measures.

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  1. A = X Deg.
    B = (4x-15) Deg.

    A + B = 180o.
    X + (4x-15) = 180
    X + 4x - 15 = 180
    5x = 180 + 15 = 195

    X = 39o
    4x - 15 = 4*39 - 15 = 141o.

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