So concerning them Moses commanded,.... That they should have a grant of the land they requested: this looks as if Moses determined the case himself, though perhaps it was by the vote, and with the consent of the whole court; only Moses strictly enjoined them to observe it, namely:

Eleazar the priest, and Joshua the son of Nun, and the chief fathers of the tribes of the children of Israel; and the rather he did this, because he knew that he should die, and not see either the thing itself or the conditions of it performed.

And the children of Gad and the children of Reuben spake unto Moses, saying,.... In answer to his speech:

thy servants will do as my lord commandeth; both with respect to their march before the Lord to battle, and with respect to their provision for their children and flocks.

Next: Numbers Chapter 33

concerning them Moses commanded--The arrangement itself, as well as the express terms on which he assented to it, was announced by the leader to the public authorities. The pastoral country the two tribes had desired was to be granted them on condition that they would lend their aid to their brethren in the approaching invasion of Canaan. If they refused or failed to perform their promise, those possessions should be forfeited, and they themselves compelled to go across the Jordan and fight for a settlement like the rest of their brethren.