Found in 2 comments on Hacker News
0x54MUR41 · 2016-10-08 · Original thread
There are:

1. Elementary Linear Algebra by Howard Anton, https://www.amazon.com/Elementary-Linear-Algebra-Howard-Anto...

2. Elementary Linear Algebra: Applications Version by Howard Anton and Chris Rorres, https://www.amazon.com/Elementary-Linear-Algebra-Application...

max_ · 2016-10-05 · Original thread
Elementary Linear Algebra by Ron Larson, https://www.amazon.com/Elementary-Linear-Algebra-Ron-Larson/...

Other books assume you already know what they are talking about.

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