Answer:
Is this all? You can’t obtain a number value for y, but you can obtain that y equals (9+X)/3
Step-by-step explanation:
X=3y-9
Distribute the right hand side.
3y-9=3(y-3)
Therefore,
X=3(y-3)
Divide both sides by 3
(X/3)=y-3
Add 3 to both sides
(X/3)+3=y
Simplify
(X/3)+(9/3)=y
y=(9+X)/3
