Why not just stay with Septuagint?
It seems the more “inspired”. What is interesting here is the LXX shows SOME influence from the Aramaic Targums, which were oral translations/explanations that accompanied the synagogue reading of Hebrew (as that language became less and less understood by the common Jew)…some of the ‘Christian passages’ in the LXX, so frequently used by the early Christian apologists in their witness to the Jews, MAY HAVE reflected a fundamentally Jewish messianic understanding of those texts! There is a much more current and detailed discussion on the LXX here. Christianity came out of the evangelical/spiritual wing of Judaism represented by the authors of Maccabees, not the Sadducees. It seems to me that the Hebrew version of scriptures in the O.T. support a more traditional Jewish reading than the Christian one. Therefore, although going back to the Hebrew would be more important if we were Jews, we’re not Jews. Actually, one might have expected Jesus to correct them on this point, if they were t
