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Solution of a 3x3 system of equations using the Reduction or Elimination method, example 1. @MatematicasprofeAlex Complete course on 3x3 Systems of Equations: • Systems of linear 3x3 equations... I invite you to follow me on my social networks: https://linktr.ee/matematicasprofealex _________________________________________________________________ If you want to help me so that the channel continues to grow you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: https://www.paypal.me/profeAlex Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Contact Business only, press: [email protected] 0:00 Greetings. 0:10 Ways to eliminate an unknown (tips) 5:55 Example solution 18:58 Verification 21:02 Practice exercise 25:35 Farewell and recommended videos.