Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Exodus 23:31

And I will set thy borders from the Red Sea, to the sea of the Phylistines, and from the wilderness to the great river Euphrates; and I will give into your hand those that dwell in the land, and will cast them out from thee.

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