Moses and Aaron obey God and take his message to Pharaoh—perhaps with heavy hearts, but they are going! Compare this with Exodus 7:10: they did as the Lord commanded!
This was almost unexpected, after Moses’ multiple objections (Exodus 5:22–23; Exodus 6:12, Exodus 6:30).
6 Moïse et Aaron firent ce que l'Eternel leur avait ordonné; ils firent ainsi.