SOLUTION: Solve the system of linear equations.If the system has infinite number of solutions,give three solutions. 3x-y=2x-7 2x+5=2y-9 Thank you so much for your help! I can't find 3

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Solve the system of linear equations.If the system has infinite number of solutions,give three solutions. 3x-y=2x-7 2x+5=2y-9 Thank you so much for your help! I can't find 3       Log On


   

Question 274231: Solve the system of linear equations.If the system has infinite number of solutions,give three solutions.
3x-y=2x-7
2x+5=2y-9
Thank you so much for your help!
I can't find 3 solutions.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3x-y=2x-7
-y=2x-3x-7
-y=-x-7
y=x+7 (red line)
2x+5=2y-9
-2y=-2x-9-5
-2y=-2x-14
y=-2x-2-14/-2
y=x+7 (green line)
These lines are the same.
+graph%28+300%2C+200%2C+-8%2C+5%2C+-10%2C+10%2C+x+%2B7%2C+x+%2B7%29+ (graph 300x200 pixels, x from -8 to 5, y from -10 to 10, of TWO functions x +7 and x +7).
Solutions:
(-7,0)(0,7)
(2,9)(9,16)
(-4,3)(3,10)
(5,12)(12,19)