Exodus 10:8

And Moses and Aaron were brought again unto Pharaoh: and he said unto them, Go, serve the Lord your God: but who are they that shall go?

Cross-reference

Exodus 10:16 shows Pharaoh summoning Moses and Aaron again after the plague, mirroring the earlier summons here but with a confession of sin.

Exodus 10:24 continues the negotiation: Pharaoh then restricts the departure to only the people, not the livestock.

Exodus 12:31 shows the final summons of Moses and Aaron, this time with Pharaoh's full permission to leave.

Exodus 8:8 shows the same pattern: Pharaoh summons Moses and Aaron to remove the plague of frogs.