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

Question 123802:

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

Answer by checkley71(8403) (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 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -2x -2 and y = -2x +4).

RELATED QUESTIONS
y=6x... (answered by jim_thompson5910)

y=2/3x-6... (answered by Fombitz)

How do I graph the following using slope? 1. 4x + y = 6 2. 2y -2 = 6x 3. 3y - 6... (answered by stanbon)

the substitution method should be used to solve which system of equations a.5x-7y=16 (answered by Edwin McCravy)

Y=2x^2-6x-8 (answered by Alan3354)

2x-y=4 6x+3y=-18 (answered by mathnoob)

6x+3y=5... (answered by scott8148)

6x-3y=6... (answered by checkley77)

2x+y=10... (answered by jim_thompson5910)