document.write( "Question 344359: I need help solving the following problems using substitution AND elimination.\r
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document.write( "1. -2x+3y= 14
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document.write( " x+2y=7\r
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document.write( "2. 5x-3y= -11
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document.write( " x-2y=2\r
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document.write( "3.x-y=3
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document.write( " 6x+4y=13\r
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document.write( "If you've noticed the 2d equation comes in standard form ( x+ y=b). So how do I get the answer. Please help, I just really want to understand this.\r
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document.write( "Thank you. Your help is appreciated. \n" );
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Algebra.Com's Answer #246372 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! I'll do one, you do the next two. \n" ); document.write( "1. \n" ); document.write( "2. \n" ); document.write( "Multiply eq. 2 by 2 and add to eq. 1 to eliminate \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Now use either equation to solve for \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Next system, multiply the second equation by (-5) and add them together to eliminate \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Last system, multiply the first equation by (4) add add them together to eliminate \n" ); document.write( " \n" ); document.write( " |