Solving a multi step equation by combining like terms

The video tutorial explains how to solve a multi-step equation by isolating the variable. It begins by identifying the need to simplify the equation by combining like terms. The tutorial then demonstrates using inverse operations to solve for the variable. Finally, it verifies the solution by substituting it back into the original equation to ensure correctness.

What inverse operation is used to isolate the variable X in the equation -9X = -9?

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How can you verify that the solution X = 1 is correct for the original equation?

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