document.write( "Question 258106: If the two given equations are being solved so that one unknown is eliminated by the method of comparison. How is this problem expressed in an equation?\r
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document.write( "3x+2y=7
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document.write( "6x-5y=8 \n" );
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Algebra.Com's Answer #189962 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! http://www.tpub.com/content/doe/h1014v1/css/h1014v1_151.htm \n" ); document.write( "solve each equation for the same variable and then set the two equal to each other\r \n" ); document.write( "\n" ); document.write( "3x+2y=7 \n" ); document.write( "6x-5y=8 \n" ); document.write( "solve first for x \n" ); document.write( "and solve second for x \n" ); document.write( "3x=7-2y \n" ); document.write( "x=(7-2y)/3 \n" ); document.write( "solve second for x \n" ); document.write( "6x-5y=8 \n" ); document.write( "6x=8+5y \n" ); document.write( "x=(8+5y)/6 \n" ); document.write( "(8+5y)/6=(7-2y)/3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |