document.write( "Question 1111169: Solve the system of linear equations. Write your answer as an ordered pair (x, y, -3).\r
\n" ); document.write( "\n" ); document.write( "x - y + 2z = 22
\n" ); document.write( " 3y - 8z = -9
\n" ); document.write( " z = -3\r
\n" ); document.write( "\n" ); document.write( "(x, y, -3) = ?
\n" ); document.write( "

Algebra.Com's Answer #726161 by Alan3354(69443)\"\" \"About 
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Solve the system of linear equations. Write your answer as an ordered pair (x, y, -3).\r
\n" ); document.write( "\n" ); document.write( "x - y + 2z = 22
\n" ); document.write( " 3y - 8z = -9
\n" ); document.write( " z = -3
\n" ); document.write( "-----------
\n" ); document.write( "Sub for z in the 1st 2 eqns:
\n" ); document.write( "x - y - 6 = 22
\n" ); document.write( " 3y +24 = -9
\n" ); document.write( "---------
\n" ); document.write( "Solve the 2nd eqn for y.
\n" ); document.write( "Then solve for x.
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\n" ); document.write( "Write it any way you like.
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