On their support page, Wix explains how to use WordPress with Wix. If you’d like to connect a WordPress blog page to your Wix site, you can use a subdomain.
Follow this link to learn how to connect your WordPress blog: https://en.support.wordpress.com/map-subdomain/
And then follow this link to learn how to connect this subdomain to your site: https://support.wix.com/en/article/using-a-subdomain-to-connect-an-external-resource-eg-a-blog-to-your-wix-domain
For more information on Wix hosting, check out the videos below: