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December 8, 2016
Posted by **ROCKY** on Saturday, July 30, 2011 at 9:38pm.

3x+24y=-12

- intermediate algebra -
**MathMate**, Saturday, July 30, 2011 at 11:43pm3x-15y=-12 ...(1)

3x+24y=-12 ...(2)

Subtract (1) from (2) to get

39y=0, or y=0.

Substitute into (1) and get

3x+0=-12,

or x=-4