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September 18, 2014

September 18, 2014

Posted by **kirthana** on Thursday, May 12, 2011 at 4:08am.

- math -
**drwls**, Thursday, May 12, 2011 at 5:06amA graphical solution would be achieved by plotting both lines on an x-y graph and seeing where they interesect.

We lack the tools to do graphing for you.

By adding the two equations you can eliminate the y variable and see immediatley that

5x - 15 = 0

x = 3

Then use either of your equations for y.

12 - 3y = 6

3y = 6

y = 2

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