I have a lot of questions I need help with.
Could somebody please help me out?
I'll give you 45 points if you give the most accurate answer ( to ALL of the questions)!
Thanks in advance!

#1)

y= 2/3x-3

Question 1) Find y, if x is 9.
Question 2) Find x, if y is -11.


#2)

y= -2/3x-3

Question 1) Find y, if x is 3.
Question 2) Find x, if y is 0.


#3)

y= 16

Question 1) Find y, if x is 5.
Question 2) Find y, if x is -10.


#4)

y= -16


Question 1) Find y, if x is 0.
Question 2) Find y, if x is -7.


#5)

x= 11


Question 1) Find x, if y is 2.
Question 2) Find x, if y is -3.


#6)

x= -11

Question 1) Find x, if y is -4.
Question 2) Find x, if y is -12.


#7)

y= 3


Question 1) Find x, if y is 3.
Question 2) Find x, if y is -19.