document.write( "Question 1111169: Solve the system of linear equations. Write your answer as an ordered pair (x, y, -3).\r
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document.write( "x - y + 2z = 22
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document.write( " 3y - 8z = -9
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document.write( " z = -3\r
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document.write( "(x, y, -3) = ? \n" );
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Algebra.Com's Answer #726161 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( "----- \n" ); document.write( "Write it any way you like. \n" ); document.write( " \n" ); document.write( " |