Systems of Equations Overview pt 1

Systems of Equations Overview pt 1
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Part of video series Solving Systems of Equations
Taught by YourMathGal
More free YouTube videos by Julie Harland are organized at
At the 4:13 mark, the second equation is listed as x + 2y = 9, but it should say x + y = 9.
Part I of Solving Linear Systems of Equations with 2 variables. Part 1 is an overview of how to solve systems

  • What are systems of equations?
  • If John has 2 children, Mia and Juan, Mia is twice as old as Juan, and the sum of their ages is 9, how old are Mia and Juan?
  • How do you solve word problems to find the ages of people using variables and not guess and check?
  • If x = 2y and x + y = 9, what are x and y?
  • What is a system of linear equations?
  • What are the Algebraic methods for solving a system of equations?
  • How do you solve y = 2x, x + y = 9?
  • How do you find an ordered pair that is a solution to two different equations?
This lesson explains what systems of equations are and how to write them from word problems. However, no systems are solved algebraically in this video. That is left to the next video. This is just an overview of what methods are available and what it means to solve a system of linear equations.
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Reviewed by MathVids Staff on November 20, 2009.
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