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January 27, 2015

January 27, 2015

Posted by **bob** on Sunday, March 21, 2010 at 8:23pm.

5x-10y=4

5x-10y=5

I need x=, and y= to get an ordered pair, but every time I mult. by a neg, everything goes away instead of just one variable! please help!

- algebra -
**Reiny**, Sunday, March 21, 2010 at 8:40pmYou are doing nothing wrong.

You are faced with two equations that have no solution.

Graphically, you would have two parallel lines, notice the slopes are the same.

Solving two equations is the same as finding the intersection of their corresponding graphs.

Parallel lines do not intersect by definition.

So just say, "no solution"

- algebra -
**lonnie**, Thursday, March 25, 2010 at 2:00amsolve by the elimination:7r-2s=5: 2r+7s=9 what is the solution of the systems use integers or fraction

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