document.write( "Question 302780: x+y+z=2
\n" ); document.write( "-x+2y+3z=2
\n" ); document.write( "2x-3y-z=1
\n" ); document.write( "x-y-z=0\r
\n" ); document.write( "\n" ); document.write( "solve linear equation \n" ); document.write( "

Algebra.Com's Answer #217054 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"-x%2B2y%2B3z=2\"$
\n" ); document.write( " $\"2x-3y-z=1\"$
\n" ); document.write( " $\"x%2By%2Bz=2\"$
\n" ); document.write( " $\"x-y-z=0\"$
\n" ); document.write( "____________
\n" ); document.write( "if u take these 2 equations and use elimination method u can solve for x
\n" ); document.write( " $\"x%2By%2Bz=2\"$
\n" ); document.write( " $\"x-y-z=0\"$
\n" ); document.write( " $\"2x=2\"$
\n" ); document.write( " $\"x=1\"$
\n" ); document.write( "____________\r
\n" ); document.write( "\n" ); document.write( " $\"-1%2B2y%2B3z=2\"$
\n" ); document.write( " $\"2%281%29-3y-z=1\"$
\n" ); document.write( " $\"2y%2B3z=3\"$
\n" ); document.write( " $\"-3y-z=-1\"$ = $\"z=1-3y\"$
\n" ); document.write( " $\"2y%2B3%281-3y%29=3\"$
\n" ); document.write( " $\"2y%2B3-9y=3\"$
\n" ); document.write( " $\"-7y=0\"$
\n" ); document.write( " $\"y=0\"$
\n" ); document.write( " $\"z=1-3%280%29\"$
\n" ); document.write( " $\"z=1\"$
\n" ); document.write( "x=1 y=0 z=1
\n" ); document.write( "_________
\n" ); document.write( "Checking
\n" ); document.write( " $\"-1%2B2%280%29%2B3%281%29=2\"$
\n" ); document.write( " $\"2%281%29-3%280%29-1=1\"$
\n" ); document.write( " $\"1%2B0%2B1=2\"$
\n" ); document.write( " $\"1-0-1=0\"$
\n" ); document.write( "_ _ _ _ _ _
\n" ); document.write( " $\"2=2\"$ correct
\n" ); document.write( " $\"1=1\"$ correct
\n" ); document.write( " $\"2=2\"$ correct
\n" ); document.write( " $\"0=0\"$ correct\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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