Practice Objectives

- Demonstrate the ability to solve a system of linear equations using substitution

## Practice Using the Substitution Method to Solve a Linear System

Instructions:

Answer 7/10 questions correctly to pass.

Solve each linear system using the substitution method.

Problem:

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The Substitution Method:

- Solve either equation for one of the variables
- Look for a variable with a coefficient of 1 or -1

- Substitute in for that variable in the other equation
- Solve the linear equation in one variable
- Substitute the known value into either original equation and solve for the other unknown
- Check the solution

Step-by-Step:

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$$x = $$

$$y = $$

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