SOLUTION: Solve using the multiplication principle first. Then use the elimination method. 2x+y=13 4x + 2y = 23

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Question 375671: Solve using the multiplication principle first. Then use the elimination method.
2x+y=13 4x + 2y = 23

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2x+y=13
4x + 2y = 23
...
multiply first equation by -2
we have
-4x-2y=-26
add this to the second equation
4x-4x+2y-2y = 23-26
0 = -3
...
there is no solution to this system. The lines are parallel.
..
graph%28300%2C300%2C-20%2C20%2C-5%2C5%2C%28-2x%2B13%29%2C%28-2x-%2823%2F2%29%29%29
...
m.ananth@hotmail.ca