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प्रश्न
In the context of algebra, what is the primary definition of 'substitution'?
विकल्प
Combining like terms to simplify an expression
Removing all operation signs from an expression
Replacing variables with specific numerical values
Isolating a variable on one side of an equation
MCQ
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उत्तर
Replacing variables with specific numerical values
Explanation:
Substitution is fundamentally defined as the process of replacing a variable (letter) with a known number to evaluate an expression.
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