SOLUTION: 2x -4y=8 x -2y=4 trying to find out how to get the value of x and y

Algebra ->  Linear-equations -> SOLUTION: 2x -4y=8 x -2y=4 trying to find out how to get the value of x and y      Log On


   

Question 530131: 2x -4y=8
x -2y=4 trying to find out how to get the value of x and y
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2x -4y=8
x -2y=4
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Multiply thru the 2nd equation by 2 to get:
2x-4y = 8
2x-4y = 8
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Subtract to get: 0 = 0
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The two equations are really just one equation.
The solution is every point on the line
y = (1/2)x-2
or all points of the form (x, (1/2)x-2)
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Cheers,
stan H.
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