Hello,

I am trying to solve this equation:

7x + 3y = 12

3x + 7y = 6

If x and y satisfy the system of equations above, what is the value of x-y?

I have tried really hard to solve this, I am appalling bad at Math ! Any help would be appreciated..

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- January 4th 2013, 12:29 PM #1

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- January 4th 2013, 01:13 PM #5

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