SOLUTION: Can you please explain how to do this equation? x=2y y=x-2 use the substitution to solve each system of equations. if the system does not have exactly one solution, state wheth

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Can you please explain how to do this equation? x=2y y=x-2 use the substitution to solve each system of equations. if the system does not have exactly one solution, state wheth      Log On


   

Question 179031This question is from textbook Glencoe Mathmatics
: Can you please explain how to do this equation?
x=2y y=x-2
use the substitution to solve each system of equations. if the system does not have exactly one solution, state whether it has no solution or infinitely many solutions. This question is from textbook Glencoe Mathmatics

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
x=2y
y=x-2
y=2y-2
y-2y=-2
-y=-2
y=2 ans.
x=2*2
x=4 ans.
Proof:
2=4-2
2=2