Solving a one step equation using subtraction

The video tutorial guides viewers through solving a one-step equation by isolating the variable. It emphasizes understanding equivalent equations and properties of equality. The instructor demonstrates using inverse operations to isolate the variable, ensuring the same operation is applied to both sides of the equation to maintain equivalence. The solution is reached by subtracting 9 from both sides, resulting in the variable equaling 20.

What is the main important thing to understand when solving an equation?

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What operation is needed to isolate the variable in the equation X + 9?

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How does the property of equality apply when subtracting from both sides of an equation?

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Explain the concept of equivalent equations in the context of solving for a variable.

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What is the solution for X when solving the equation X + 9 = 29?

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