Using substitution to help us solve a system of equations

The video tutorial explains how to solve a system of equations using the substitution method. It begins with an introduction to the problem and discusses the importance of isolating variables with a coefficient of one. The tutorial then demonstrates solving for variables using substitution and applying the distributive property. Finally, it concludes with finding the values of the variables and summarizing the solution process.

What is the first step in solving the system of equations presented in the text?

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How do you isolate a variable with a coefficient of one?

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Explain the substitution method as described in the text.

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Describe the process of applying the distributive property in the context of the equations discussed.

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What is the final value of M and N as calculated in the text?

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