A quick Google search for "Minna no Nihongo N5 answer key pdf" will yield hundreds of results. These are usually scanned copies of the Translation book.
This is where the becomes your best friend. minna no nihongo n5 answer key
from other sources (e.g., JLPT N5 official workbooks, Tae Kim’s guide, Genki answer keys — but those are separate books too) A quick Google search for "Minna no Nihongo
Sites like Academia.edu often host user-uploaded PDFs of the Mondai (Review Questions) scripts and answers. Contents of the Answer Key JLPT N5 official workbooks
if you post the question + your attempt (one or two at a time) — I can confirm if you’re correct and explain why.