document.write( "Question 141229: -4x+5y=6\r
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document.write( "3x+2y=7\r
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document.write( "x=? y=? \n" );
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Algebra.Com's Answer #102886 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! -4x+5y=6 mulyiply this equation by 3 \n" ); document.write( "-12x+15y=18 \n" ); document.write( "------------------- \n" ); document.write( "3x+2y=7 multiply this equation by 4 \n" ); document.write( "12x+8y=28 \n" ); document.write( "now add them: \n" ); document.write( "---------------- \n" ); document.write( "-12x+15y=18 \n" ); document.write( "12x+8y=28 \n" ); document.write( "---------------------- \n" ); document.write( "23y=46 \n" ); document.write( "y=46/23 \n" ); document.write( "y=2 answer. \n" ); document.write( "-4x+5*2=6 \n" ); document.write( "-4x+10=6 \n" ); document.write( "-4x=6-10 \n" ); document.write( "x=-4/-4 \n" ); document.write( "x=1 answer. \n" ); document.write( " \n" ); document.write( " |