Q. 3.     Find the value of the following expressions, when x=-1:

             (i)  2x-7

Answers (1)
S Sayak

\\2x - 7 \\= 2 \times ( -1 ) - 7 \\= -2 - 7 \\= -9

If x = -1 the value of 2x - 7 = -9

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