SOLUTION: y=4x-9 y=x

Algebra ->  Expressions-with-variables -> SOLUTION: y=4x-9 y=x      Log On


   



Question 142771: y=4x-9 y=x
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y=4x-9
y=x
x=4x-9
x-4x=-9
-3x=-9
x=-9/-3
x=3 answer.
y=3
proof
3=4*3-9
3=12-9
3=3