Another HW Elimination method Algbrea Grade 8

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-6x+6y=6           7x+2y=24       5x+y=9        -4x+9y=9   -3x+7y= -16    -7x+y= -19  16x-10y=10  8x+14y=4   

 -6x+3y=-12         8x+2y=30      10x-7y= -18   x-3y= -6   -9x+5y=16     -2x+3y= -19  -8x-6y=6    -6x-7y= -10

Nov 20th, 2014

1) x=y-1    2)x=24/7-2y/7    3)x=9/5-1/5y

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Nov 20th, 2014

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