Subcategories

• Module 4 Day 10 Challenge Part 1

  System of 3 Equations With 3 Variables

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• Module 4 Day 10 Challenge Part 2

  Solution Using Substitution

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• Module 4 Day 10 Challenge Part 3

  Solution Using Substitution

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  R

  It was pretty good...could belong here...

• Module 4 Day 10 Challenge Part 4

  Method of Equation Addition/Subtraction

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• Module 4 Day 10 Challenge Part 5

  Method of Equation Addition/Subtraction

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  F

  @wisegiraffe I got this too first, but I noticed it tricked me. You add four of the same variables and subtract one of the same variable, so you get 3

• Module 4 Day 10 Your Turn Part 1

  Tricks For Manipulating Equations

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  T

  Regarding the short ending question:

  When I multiplied and added choice iii) as recommended by the answer:
  5(x + 2y - 3z = 4)

  3(-3x - y +5z = 6)

  I got: -4x + 7y = 38, not -4x + 7y = 29 as marked on the answer choice (in the video).

  Am I missing something obvious that I did wrong?

• Module 4 Day 10 Your Turn Part 2

  Tricks For Manipulating Equations

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