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January 31, 2015

January 31, 2015

Posted by **Anonymous** on Thursday, March 26, 2009 at 5:48pm.

4x-2y=11

3x-4y=-6

a 11.3

b 0.1

c -0.1

d -11.3

please explain how to do this.

Thanks!!!

- math -
**GanonTEK**, Thursday, March 26, 2009 at 6:16pmmultiply the 1st equation by -2 and then add them to get rid of the y's [and hence find the x]

once you have the value of x sub it into either of the two equations to find y.

then just do x-y

Hope that helps

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