C. ![y=x-3](/tpl/images/0494/0405/b73e3.png)
Step-by-step explanation:
To find the answer to the problem, you plug in the values for
and
.
Let's plug them in and see which equation is true.
---------------------------------------------
![-1=2(2)-1\\-1=4-1\\-1=3](/tpl/images/0494/0405/9efb5.png)
Not true.
---------------------------------------------
![-1=2+3\\-1=5](/tpl/images/0494/0405/e5179.png)
Not true.
---------------------------------------------
![-1=2-3\\-1=-1](/tpl/images/0494/0405/f9286.png)
True.
---------------------------------------------
![-1=-2(2)-1\\-1=-4-1\\-1=-5](/tpl/images/0494/0405/aad4a.png)
Not true.
---------------------------------------------