Given
x = -1 ,
y = 2x - 1 ..................(1)
-2x - y = 5.....................(2)
Find
The value of y
Explanation
given x = -1
substitute the value of x in equation (1)
[tex]\begin{gathered} y=2x-1 \\ y=2(-1)-1 \\ y=-2-1 \\ y=-3 \end{gathered}[/tex]Final Answer
Therefore , the value of y is -3.
so , the correct option is 3.
