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December 19, 2014

December 19, 2014

Posted by **sherri** on Tuesday, January 13, 2009 at 6:31pm.

- math -
**Reiny**, Tuesday, January 13, 2009 at 6:55pmthe simplest way for this example is to use substitution.

sub x = -2y into 3x+4y = -2

3(-2y) + 4y = -2

-6x + 4y + -2

-2y = -2

y = 1

then since x = -2y

x = -2(1) = -2

- math -
**sherri**, Tuesday, January 13, 2009 at 7:06pmso u simplify them and divide and basically is the answer.

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