SEV Biblia, Chapter 32:28
Y los hijos de Leví lo hicieron conforme al dicho de Moisés; y cayeron del pueblo en aquel día como tres mil hombres.
Clarke's Bible Commentary - Exodus 32:28
Verse 28. There fell about three thousand men.] These were no doubt the chief transgressors; having broken the covenant by having other gods besides Jehovah, they lost the Divine protection, and then the justice of God laid hold on and slew them. Moses doubtless had positive orders from God for this act of justice, (see ver. 27;) for though, through his intercession, the people were spared so as not to be exterminated as a nation, yet the principal transgressors, those who were set on mischief, ver. 22, were to be put to death.
Matthew Henry Commentary
Verses 21-29 - Never did any wise man make a more frivolous and foolish excuse tha that of Aaron. We must never be drawn into sin by any thing man can say or do to us; for men can but tempt us to sin, they cannot force us. The approach of Moses turned the dancing into trembling. They were expose to shame by their sin. The course Moses took to roll away thi reproach, was, not by concealing the sin, or putting any false colou upon it, but by punishing it. The Levites were to slay the ringleader in this wickedness; yet none were executed but those who openly stoo forth. Those are marked for ruin who persist in sin: those who in the morning were shouting and dancing, before night were dying. Such sudde changes do the judgments of the Lord sometimes make with sinners tha are secure and jovial in their sin.
Original Hebrew
ויעשׂו 6213 בני 1121 לוי 3878 כדבר 1697 משׁה 4872 ויפל 5307 מן 4480 העם 5971 ביום 3117 ההוא 1931 כשׁלשׁת 7969 אלפי 505 אישׁ׃ 376