en_tn/1ki/14/18.md

All Israel buried him and mourned for him

This is a generalization that means the people of Israel buried him and mourned for him. Alternate translation: "A great number of the people of Israel were present when people buried him, and the people of Israel mourned for him" (See: rc://en/ta/man/jit/figs-hyperbole)

just as it was told to them by the word of Yahweh

This can be stated in active form. Alternate translation: "just as Yahweh told them" (See: rc://en/ta/man/jit/figs-activepassive)

by the word of Yahweh

"by the message of Yahweh" or "in Yahweh's message"