document.write( "Question 1069422: Need help solving system with three variables\r
\n" ); document.write( "\n" ); document.write( "-2x + 8y + 2z = 4
\n" ); document.write( " x + 6y + 3z = 4
\n" ); document.write( " 3x - 2y + z = 0 \n" ); document.write( "

Algebra.Com's Answer #684626 by MathTherapy(10552) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( "Need help solving system with three variables\r
\n" ); document.write( "\n" ); document.write( "-2x + 8y + 2z = 4
\n" ); document.write( " x + 6y + 3z = 4
\n" ); document.write( " 3x - 2y + z = 0
\n" ); document.write( "


\n" );
document.write( "x + 6y + 3z = 4 ------- Adding eqs (i) & (iii) ------- eq (iv)
\n" );
document.write( "If you inspect eqs (iv) & (ii), you'll see that they are IDENTICAL. What do you think this means? If you don't know, then you need to look it up. 
\n" );
document.write( "I think I've done the harder part of the work for you. \n" );
document.write( "

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