document.write( "Question 412278: I need help on solving systems by elimination:\r
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document.write( "Example of a problem:\r
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document.write( "x - y = -3
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document.write( "5x + 3y = 1 \n" );
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Algebra.Com's Answer #289608 by shree840(260)![]() ![]() You can put this solution on YOUR website! x -y =-3 \n" ); document.write( " 5x +3y=1 \n" ); document.write( "multiply line 1 by 3\r \n" ); document.write( "\n" ); document.write( " 3x -3y= -9 \n" ); document.write( " 5x +3y= 1\r \n" ); document.write( "\n" ); document.write( "add 8x+0= -8 \n" ); document.write( " x= -1 \n" ); document.write( " substitute on any line (x,y) at crossing will be same \n" ); document.write( "-1 -y =-3\r \n" ); document.write( "\n" ); document.write( "1 +y =3\r \n" ); document.write( "\n" ); document.write( "y=2 \n" ); document.write( " \n" ); document.write( " |