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December 18, 2014

December 18, 2014

Posted by **Mary** on Friday, June 29, 2012 at 2:44pm.

- intermeidate algebra -
**Reiny**, Friday, June 29, 2012 at 5:44pmdouble the first

-6x + 8y = 2

-1 times the 2nd

6x - 6y = 3

add them:

2y = 5

y = 5/2

sub into 1st:

-3x + 4(5/2) = 1

-3x = -9

x=3

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