וַיַּ֥עַל מֹשֶׁ֖ה וְאַהֲרֹ֑ן נָדָב֙ וַאֲבִיה֔וּא וְשִׁבְעִ֖ים מִזִּקְנֵ֥י יִשְׂרָאֵֽל׃
Y subieron Moisés y Aarón, Nadab y Abiú, y setenta de los ancianos de Israel;
Sforno on Exodus
ויעל משה ואהרן, after he had carried out the tasks entrusted to him by G’d. telling the people what he had been told to in 20,18. Now he carried out the instructions recorded in verse 1 of our chapter.