Answer:
solution: ( 3 , 6 )


Step-by-step explanation:


make y the subject in equation 2:



insert this in equation 1:






solve for y:



For this case, we must find the quotient of
divided by
, to verify if Tina was correct.
So:

So, Tina was wrong, she had to divide by 3x.
Answer:
Option B
The correct answer for the question is y=x
Is 3 because 3 times 3 equals 9
Answer:
-1<x<9
(I think you notated it wrong, it should be |x-4|-2<3)