document.write( "Question 972319: 3x-2y=-1
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document.write( "6x+y=3 \n" );
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Algebra.Com's Answer #594656 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 3x-2y=-1 \n" ); document.write( "6x+y=3\r \n" ); document.write( "\n" ); document.write( "Double second equation and add\r \n" ); document.write( "\n" ); document.write( "3x-2y=-1 \n" ); document.write( "12x+2y=6\r \n" ); document.write( "\n" ); document.write( "15x=5 \n" ); document.write( "x=1/3\r \n" ); document.write( "\n" ); document.write( "Substitute into second equation \n" ); document.write( "6(1/3)+y =3 \n" ); document.write( "y=1\r \n" ); document.write( "\n" ); document.write( "(1/3,1)\r \n" ); document.write( "\n" ); document.write( "Check into first equation \n" ); document.write( "3(1/3)-2(1)=1-2=-1 \n" ); document.write( " |