Question

38. The value of x*2 - 5 at x= -1
is-
​

Answer 1

$\rm{(x\times 2) - 5 = (-1\times 2) - 5\quad...\:Since\:Value\:of\:x=-1}$

$\longrightarrow\rm{(x\times 2) - 5 = -2 - 5}\longrightarrow\rm{(x\times 2) - 5 = -7}$