I would say letter C, sorry if I’m wrong but that is what I would say
Answer:
x = 5
Step-by-step explanation:
A by B is simply 
3 by x + 1 is
5 by 2x is
So, the equality is ;
=
Cross multiply and solve the inequality;
3(2x) = 5(x + 1)
6x = 5x + 5
6x -5x = 5
x = 5
Answer:
x=-1
y= -8
Step-by-step explanation:
-8x-y=8
-y=8x+8
Answer:
The sandwich cost $5.75
Step-by-step explanation:
9 = s + 3.25
-3.25 -3.25
5.75 = s