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4x-7y=8
5x+6y=-21-
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4x-7y=8
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<span style=\'color:blACK\'><span style=\'color:BLUE\'>Faceboock</span> ; <span style=\'color:red\'>SHOX</span></span>
4x-7y=8
5x+6y=-21-
---------------
4x=8+7y
5x+6y=-21-
--------------------
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, , .Originally posted by NBA@Oct 31 2009, 08:12 PM
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, .Originally posted by @Oct 31 2009, 08:51 PM
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<span style=\'color:blACK\'><span style=\'color:BLUE\'>Faceboock</span> ; <span style=\'color:red\'>SHOX</span></span>
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<span style=\'font-size:14pt;line-height:100%\'><span style=\'color:BLACK\'>, (;</span></span>
<span style=\'color:blACK\'><span style=\'color:BLUE\'>Faceboock</span> ; <span style=\'color:red\'>SHOX</span></span>
<div align="Left">-5x+6y=-21
-5((8+7y/4))+6y=-21
((-40+35y)/4)+6y=-21
-40/4+35y/4+6y=-21
-10+14.75y=-21
14.75y=-21+10
14.75y=-11
14.75
y=-11/14.75=-0.74
-5x+6y=-21
-5x+6*-0.74=-21
-5x-4.44=-21
-5x=-21+4.44
x=3.312</div>
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<span style=\'font-size:14pt;line-height:100%\'><span style=\'color:BLACK\'>, (;</span></span>
<span style=\'color:blACK\'><span style=\'color:BLUE\'>Faceboock</span> ; <span style=\'color:red\'>SHOX</span></span>
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