And the children of Gad and the children of Reuben answered,
&c.], The word is in the singular number, and shows their unanimity, that they agreed to what Moses said, and replied all of them as one man, as Jarchi expresses it; and it may be there was one that was the mouth of them all, and answered for them:
saying, as the Lord hath said unto thy servants, so will we do;
here they make use of the word Jehovah, taking what Moses had said unto them as from the Lord, and therefore should strictly and punctually observe it, as if they heard the Lord himself speak it.