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Collecting Variables and Constants on Separate Sides
When an equation has variable terms, constant terms, or both on each side of the equal sign, the equation cannot be solved immediately using a single property of equality. Instead, a preliminary rearrangement is needed: designate one side of the equation as the variable side (where all variable terms will be gathered) and the other as the constant side (where all constant terms will be gathered). Then, apply the Addition or Subtraction Properties of Equality to move every variable term to the chosen variable side and every constant term to the chosen constant side. After this rearrangement, the equation takes the simpler form , where the variable term is isolated on one side and a single constant remains on the other. From that point, the Division or Multiplication Property of Equality can be applied to find the value of the variable. This collecting technique extends the general equation-solving strategy to handle more complex equations that cannot be solved by simplifying each side independently.
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