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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Thursday, September 24, 2009 at 3:57pm.

a. 1/7(49-7y)=5x-3y+14

b. 4(2x-3y)=-5(x+3y)

- math -
**Reiny**, Thursday, September 24, 2009 at 5:55pmin the first, multiply each term by 7

49 - 7y = 35x - 21y + 98

14y = 35x + 49

y = (5/2)x + 7/2

the second is even easier, just expand, then re-arrange.

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