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प्रश्न
Find the value of the following expression, when x = −1:
2x - 7
बेरीज
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उत्तर
2x - 7 on putting x = -1 in the given equation
= 2 × (-1) - 7
= -2 - 7
= -9
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पाठ 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६८]
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