document.write( "Question 639177: Solve.
\n" );
document.write( "2x - 3y + z = 5
\n" );
document.write( "x + 3y + 8z = 22
\n" );
document.write( "3x - y + 2z = 12\r
\n" );
document.write( "\n" );
document.write( "I've tried it by: Multiplying the second equation by 2 and the third equation by 2; as well as multiplying the second equation by 4 and the third equation by 2 but neither seemed to work. Please help. \n" );
document.write( "
Algebra.Com's Answer #402614 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply the 2nd equation by -2, then add the first and second equations.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then multiply the original 2nd equation by -3, then add the second and third equations.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Write back and tell me what you have so far.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |