document.write( "Question 59083: A) -4 -3 -4Z = 1
\n" ); document.write( " -5 +1Y +2z =-34
\n" ); document.write( " 5X -1Y = 28\r
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\n" ); document.write( "\n" ); document.write( "B) 5X +5Y -1z =21
\n" ); document.write( " 3X -2Y -4Z =48
\n" ); document.write( " 4X -4Y -1Z =42
\n" ); document.write( "

Algebra.Com's Answer #40516 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
-4-3-4Z=1
\n" ); document.write( "-4Z=1+4+3
\n" ); document.write( "-4Z=8
\n" ); document.write( "Z=8/-4
\n" ); document.write( "Z=-2 THEN
\n" ); document.write( "-5+Y+2*-2=-34
\n" ); document.write( "-5+Y-4=-34
\n" ); document.write( "Y=-34+5+4
\n" ); document.write( "Y=-34+9
\n" ); document.write( "Y=-25 THEN
\n" ); document.write( "5X-1*-25=28
\n" ); document.write( "5X+25=28
\n" ); document.write( "5X=28-25
\n" ); document.write( "5X=3/5
\n" ); document.write( "X=3/5\r
\n" ); document.write( "\n" ); document.write( "
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