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:
r<-8
Step-by-step explanation:
Answer:
(2,-4) ,(0,-9)
Step-by-step explanation:
This tells us nothing there has to be other numbers unless they want 3ab