This is an idiom. AT: "prayed to Yahweh for help" (See: [[rc://en/ta/man/translate/figs-idiom]])
# because of Midian
Here "Midian" represents the people of Midian. AT: "because of the Midianites" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# I brought you up from Egypt
"I led you out of Egypt"
# the house of slavery
Moses speaks of Egypt as if it were a house where people keep slaves. AT: "the place where you were slaves" (See: [[rc://en/ta/man/translate/figs-metaphor]])