Exodus 7:5-7

Holman Christian Standard Bible

⁵ The Egyptians will know that I am Yahweh^(A) when I stretch out My hand^(B) against Egypt, and bring out the Israelites from among them.”

⁶ So Moses and Aaron did this; they did just as the Lord commanded them. ⁷ Moses was 80 years old^(C) and Aaron 83 when they spoke to Pharaoh.