document.write( "Question 814206: 2x-1y+3z=5,3x+2y-1z=-2,1x+3y+4z=17 \n" ); document.write( "
Algebra.Com's Answer #490159 by richwmiller(17219)\"\" \"About 
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a 2-1+3=5,
\n" ); document.write( "b 3+2-1=-2,
\n" ); document.write( "c 1+3+4=17
\n" ); document.write( "a 2-1+3=5,
\n" ); document.write( "subtract a from c
\n" ); document.write( "a -1+4+1=12
\n" ); document.write( "b 3+2-1=-2,
\n" ); document.write( "c 1+3+4=17
\n" ); document.write( "add a and b
\n" ); document.write( "2+4+0=10
\n" ); document.write( "add a+c
\n" ); document.write( "0+7+5=29
\n" ); document.write( "2+4+0=10
\n" ); document.write( "etc
\n" ); document.write( "x = -1, y = 2, z = 3\r
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