document.write( "Question 473607: Solve the system of equations using either elimination or substitution\r
\n" ); document.write( "\n" ); document.write( "2x-3y+z=13
\n" ); document.write( "x+2y+3z=2
\n" ); document.write( "3x-y+z=12 \n" ); document.write( "

Algebra.Com's Answer #324857 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
Here's an example.
\n" ); document.write( "These are all similar.
\n" ); document.write( "email me via the Thank You note for help or to check your work.
\n" ); document.write( "-------------------
\n" ); document.write( "Systems-of-equations/473610 (2011-07-24 00:31:13): Solve the system of equations using any method.
\n" ); document.write( "n + d + q = 27
\n" ); document.write( "5n +10d +25q = 300 divide by 5
\n" ); document.write( "n - 3d + 0q = 0
\n" ); document.write( "-----------------
\n" ); document.write( "n + d + q = 27 Eqn 1
\n" ); document.write( "n +2d + 5q = 60 Eqn 2
\n" ); document.write( "n -3d + 0q = 0 Eqn 3
\n" ); document.write( "--------------
\n" ); document.write( "n + d + q = 27 Eqn 1
\n" ); document.write( "n +2d + 5q = 60 Eqn 2
\n" ); document.write( "---------------------Subtract
\n" ); document.write( "-d - 4q = -33 Eqn A
\n" ); document.write( "---------
\n" ); document.write( "n +2d + 5q = 60 Eqn 2
\n" ); document.write( "n -3d + 0q = 0 Eqn 3
\n" ); document.write( "--------------------- Subtract
\n" ); document.write( "5d + 5q = 60
\n" ); document.write( "d + q = 12 Eqn B
\n" ); document.write( "-d - 4q = -33 Eqn A
\n" ); document.write( "------------------- Add
\n" ); document.write( "-3q = -21
\n" ); document.write( "q = 7
\n" ); document.write( "------
\n" ); document.write( "d + q = 12 Eqn B
\n" ); document.write( "d = 5
\n" ); document.write( "--------
\n" ); document.write( "n -3d + 0q = 0 Eqn 3
\n" ); document.write( "n = 15
\n" ); document.write( " \n" ); document.write( "

\n" );