SOLUTION: 6x+3y=12 y+2x=-2

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Question 123802:

6x+3y=12 y+2x=-2

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Y+2X=-2 OR Y=-2X-2
6X+3(-2X-2)=12
6X-6X-6=12
0X=18 THIS SHOWS THAT THERE IS NO UNIQUE SOLUTION TO THESE 2 EQUATIONS.
PROOF
Y=-2X-2 (RED LINE)
6X+3Y=12
3Y=-6X+12
Y=-6X/3+12/3
Y=-2X+4 (GREEN LINE)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-2x+-2%2C+y+=+-2x+%2B4%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -2x -2 and y = -2x +4).