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December 21, 2014

December 21, 2014

Posted by **mark** on Thursday, February 16, 2012 at 10:11pm.

3y=5-2x

4x-y=3

4x=y=1

solve and explain please

- math -
**PsyDAG**, Thursday, February 16, 2012 at 10:36pmThey cannot be solved. Add 2x to both sides of the second equation in the pair to see this.

You have a typo in the last equation. If it is -y, then they are unsolvable. If positive y, then add the two equations to get 8x = 4 or x = 4/8 = 1/2

It would help if you proofread your questions before you posted them.

- math -
**mark**, Thursday, February 16, 2012 at 10:38pm4x-y=3

4x+y=1

sorry

- math -
**mark**, Thursday, February 16, 2012 at 10:38pmand show work

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