It says 430 years in Egypt. But I don’t understand how to get 400 years of slavery out of that.
Sometimes people don't realise they are enslaved. Beholding to Egypt for anything is a metaphor of spiritual bondage.
Hope I get a good grade on this . . .
Gen 15:13-14 Then He said to Abram: "Know certainly that your descendants will be strangers in a land that is not theirs, and will serve them, and they will afflict them four hundred years. (14) And also the nation whom they serve I will judge; afterward they shall come out with great possessions.
Quote from Believer's Bible Commentary on Genesis 15:13-14
Verses 13 and 14 pose a chronological problem. They predict that Abram's people would be in harsh servitude in a foreign land for 400 years, and that they would leave at the end of that time, carrying great wealth with them. In Act_7:6 this figure of 400 years is repeated.
In Exo_12:40-41 we read that the children of Israel, who dwelt in Egypt, were sojourners for 430 years, to the very day.
Then in Gal_3:17 Paul says that the period from the confirming of the Abrahamic Covenant until the giving of the Law was 430 years.
How can these figures be reconciled?
The 400 years mentioned in Gen_15:13-14 and in Act_7:6 refer to the time of Israel's harsh affliction in Egypt. Jacob and his family were not in bondage when they first came to Egypt. On the contrary, they were treated quite royally.
The 430 years in Exo_12:40-41 refer to the total time the people of Israel spent in Egypt—to the very day. This is an exact figure.
The 430 years in Gal_3:17 cover approximately the same period as Exo_12:40-41.
They are reckoned from the time that God confirmed the Abrahamic Covenant to Jacob, just as Jacob was preparing to enter Egypt (Gen_46:14), and they extend to the giving of the Law, about three months after the Exodus.