Using the substitution method to solve the system of equations

The video tutorial explains the substitution method for solving equations, focusing on variables with coefficients of 1 or -1. The teacher demonstrates solving for X when it has a coefficient of -1, emphasizing the simplicity of the process without fractions. The tutorial covers replacing equations to simplify problems and applying the distributive property to solve for Y. Finally, it shows how to find the value of X and concludes the problem-solving process.

What is the process referred to when solving for a variable with a coefficient of 1 or -1?

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Explain the steps taken to solve for X in the given problem.

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What is the significance of replacing one equation with another in the context of solving for variables?

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How do you apply the distributive property in the context of the equations discussed?

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What is the final value of Y after solving the equations, and how did you arrive at that conclusion?

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