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Find number abc

If a7c9c + bacb7 = 939b1 find number abc. Multiple solutions may exist.

Correct answers: 25

The first user who solved this task is Nasrin 24 T.

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James W. Alexander

Died 23 Sep 1971 at age 83 (born 19 Sep 1888).James Waddell Alexander was an American mathematician who founded the branch of mathematics originally known as analysis situs, now called topology. In 1912, he joined the faculty of the mathematics department at Princeton. Soon after, Alexander generalised the Jordan curve theorem and, in 1928, he discovered the Alexander polynomial which is much used in knot theory.

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