How did the speaker determine the value of X in the context provided?

To determine how the speaker found the value of \( x \), I'd need more details about the context. Typically, finding the value of \( x \) involves solving an equation where \( x \) is the unknown variable. The process can include:

1. **Isolating \( x \)**: If the equation is linear, like \( ax + b = 0 \), the speaker might have isolated \( x \) by moving terms and dividing by the coefficient of \( x \).
  
2. **Substitution**: If it's a more complex function, like a quadratic equation, the speaker might have used methods like factoring, completing the square, or applying the quadratic formula.

3. **Graphical methods**: The speaker might have used a graph to determine where the function intersects the x-axis (roots).

4. **Trial and error**: Sometimes, especially in puzzles or games, \( x \) is found by testing values.

Without a specific example or equation, I can only speculate. Could you provide the exact equation or context in which the speaker determined \( x \)? This will allow me to give a more precise explanation.

Understand how to determine the value of x in equations and functions. Learn about isolating x in linear equations, using substitution in quadratic functions, and graphical methods for finding roots. This explanation covers fundamental algebraic concepts and methods used to solve equations. Suitable for students in Grades 7-9.

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