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Q.


The value of 2x-7, when x = –1 is ____.

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Detailed Solution

The value of 2x-7, when x = –1 is 5.
Given data is 2x-7.
Substituting x = –1 in given expression,
= 2(-1) + 7
= -2 + 7
= 5
Hence, value is 5.
 
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