SOLUTION: draw graphs of 2x-y-1=0 and 2x+y=9; write down co-ordinates of point of intersection of the two lines.

Algebra ->  Linear-equations -> SOLUTION: draw graphs of 2x-y-1=0 and 2x+y=9; write down co-ordinates of point of intersection of the two lines.      Log On


   

Question 371363: draw graphs of 2x-y-1=0 and 2x+y=9; write down co-ordinates of point of intersection of the two lines.
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
2x-y-1=0
y=2x-1
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2x%2By=9
y=-2x%2B9
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Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

2x-y-1=0    y = 2x-1

2x+y = 9    y= -2x + 9

(2.5,4)