document.write( "Question 1132567: How do you solve this system using elimination?\r
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document.write( "-2x+5y-3z=7
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document.write( "4x-3y+2z=4
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document.write( "-3x-y-4z=-7 \n" );
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Algebra.Com's Answer #749635 by t0hierry(194)![]() ![]() You can put this solution on YOUR website! -2x+5y-3z=7 (multiply by 2) -4x + 10y - 6z = 14 \n" ); document.write( "4x-3y+2z=4 4x - 3y + 2z =4 \n" ); document.write( "-3x-y-4z=-7\r \n" ); document.write( "\n" ); document.write( "-4x + 10y - 6z = 14 \n" ); document.write( " 4x - 3y + 2z =4 add\r \n" ); document.write( "\n" ); document.write( "7y -4z = 18\r \n" ); document.write( "\n" ); document.write( "y = 2 \n" ); document.write( "z = -1 \n" ); document.write( "x = 3 \n" ); document.write( " |