Parallel
Exodus 9:7
Jewish Publication Society 1917 · Berean Standard Bible
And Pharaoh sent, and, behold, there was not so much as one of the cattle of the Israelites dead. But the heart of Pharaoh was stubborn, and he did not let the people go.
Pharaoh sent officials and found that none of the livestock of the Israelites had died. But Pharaoh’s heart was hardened (note: Or made heavy; also in verse 34), and he would not let the people go.