document.write( "Question 975391: Solve for the ff systems:
\n" ); document.write( "3x + 2y + z = 2
\n" ); document.write( "4x + 2y + 2z = 8
\n" ); document.write( "x - y + z = 4 \n" ); document.write( "

Algebra.Com's Answer #597159 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
Solve for the ff systems:
\n" ); document.write( "3x + 2y + z = 2
\n" ); document.write( "4x + 2y + 2z = 8
\n" ); document.write( "x - y + z = 4
\n" ); document.write( "---------------
\n" ); document.write( "3x + 2y + z = 2
\n" ); document.write( "4x + 2y + 2z = 8
\n" ); document.write( "------------------- Subtract
\n" ); document.write( "-x - z = -6 Eqn A
\n" ); document.write( "========================
\n" ); document.write( "3x + 2y + z = 2 Eqn 1
\n" ); document.write( "2x - 2y + 2z =8 Eqn 3 times 2
\n" ); document.write( "---------------------------- Add
\n" ); document.write( "5x + 3z = 10
\n" ); document.write( "-3x -3z = -18 Eqn A times 3
\n" ); document.write( "------------------------------- Add
\n" ); document.write( "2x = -8
\n" ); document.write( "x = -4 *****************************
\n" ); document.write( "-x - z = -6 Eqn A
\n" ); document.write( "z = 10 *****************************
\n" ); document.write( "x - y + z = 4
\n" ); document.write( "y = 2 ******************************
\n" ); document.write( "(-4,2,10)
\n" ); document.write( " \n" ); document.write( "

\n" );