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Asked by:
zinc007burn
zinc007burn
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$1.00 y+3z=44x+y+3z=-125x+3z=-11

  • From Mathematics: Algebra
  • Closed, but you can still post tutorials
  • Due on Dec. 16, 2008
  • Asked on Dec 13, 2008 at 7:10:27PM
Q:
y+3z=4
4x+y+3z=-12
5x+3z=-11
 


   
   
   
   
 
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Posted by:
malaya
malaya
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$1.00 The Guaranteed Correct Answer!

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  • Posted on Dec 13, 2008 at 7:11:50PM
A:
Preview: ... -12<br>5x+3z=-11<br><br> ...

The full tutorial is about 11 words long .
Posted by:
sudipta
sudipta
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$1.00 Solved with steps shown

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  • Posted on Dec 13, 2008 at 7:11:59PM
A:
Preview: ... 3z = -11 ... Eq(3)<br><br>Eq(2) - Eq(1) gives:<br>4x = -12 - 4<br>4x = -16<br>x = -16 ...

The full tutorial is about 91 words long .
Posted by:
bibhupada
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$0.50 guaranteed A+ answer

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  • Posted on Dec 13, 2008 at 8:33:17PM
A:
Preview: ... =16<br> so -4x =16<br> so x=-(16/4)<br> so x=-4<br>eqn(2) -eqn(3) is (4x+y+3z)-(5x+3z) =-12+1 ...

The full tutorial is about 282 words long .
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geniusy_2006
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$0.75 Here is an easy way

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  • Posted on Dec 13, 2008 at 9:02:57PM
A:
Preview: ... 11 20<br>3z = 9<br>z=9/3<br>z = 3<br><br>PLug z=3 in 1st<br><br>y ...

The full tutorial is about 51 words long .
   
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