immune system 12 videos

Introduction to Systems of Equations
Algebra Solving Systems of Equations
How to solve a system of equations.
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Solving Systems of Equations by Graphing
Algebra Solving Systems of Equations
How to solve a system of equations using graphing.
system of equations solution to a system of equations graphing 
Solving Systems of Equations using Substitution
Algebra Solving Systems of Equations
How to solve a system of equations using substitution.
system of equations solution substitution 
Inconsistent and Dependent Systems of Equations
Algebra Solving Systems of Equations
How to identify a system of equations that is inconsistent or dependent.
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Solving Systems using Matrices
Algebra Solving Systems of Equations
How to use matrices to solve a system of equations.
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Systems of Inequalities
Algebra Solving Systems of Equations
How to find the solution region for a system of inequalities.
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Solving Systems of Equations using Elimination
Algebra Solving Systems of Equations
How to solve a system of equations using elimination.
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Selling Multiple Items
Algebra Word Problems Using Systems of Equations
How to set up a system of equations to represent word problems where someone is selling multiple items.
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Coin Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems about values and number of coins.
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Age Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems about the ages of two people.
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Work Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems when 2 people are doing a work job together.
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Rate Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems involving rates of travel, possibly including wind or water current.
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