12 Take double the amount of silver with you, for you must return the silver that was put back into the mouths of your sacks. Perhaps it was a mistake.

Read Genesis 43:12 Using Other Translations

And take double money in your hand; and the money that was brought again in the mouth of your sacks, carry it again in your hand; peradventure it was an oversight:
Take double the money with you. Carry back with you the money that was returned in the mouth of your sacks. Perhaps it was an oversight.
Also take double the money that was put back in your sacks, as it was probably someone’s mistake.