They celebrated Passover at twilight on the fourteenth day of the first month in the Sinai wilderness. In accordance with all that Adonai commanded Moses, so Bnei-Yisrael did.
Now Moses spoke to Bnei-Yisrael, according to all Adonai had commanded him for them—in the fortieth year, in the eleventh month, on the first day of the month,
So Moses, Aaron and the entire community of Bnei-Yisrael did so with the Levites. All that Adonai had commanded Moses regarding the Levites, so Bnei-Yisrael did to them.
So all the work of the Tabernacle, the Tent of Meeting, was finished. Bnei-Yisrael did everything according to what Adonai had commanded Moses—they did it just so.