Exodus 7:7-9 Lexham English Bible (LEB)

7. (And Moses was eighty years old, and Aaron was eighty-three years old when they spoke to Pharaoh.)

8. And Yahweh said to Moses and to Aaron, saying,

9. “When Pharaoh speaks to you, saying, ‘Do a wonder for yourselves,’ you will say to Aaron, ‘Take your staff and throw it before Pharaoh, and it will become a snake.’ ”

Exodus 7