document.write( "Question 120843: \r
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document.write( "2y-x=-8 3x+4y=-6\r
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document.write( "I have to solve this by elimination and Im really confused. Could someone help please? \n" );
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Algebra.Com's Answer #88650 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 2Y-X=-8 \n" ); document.write( "4Y+3X=-6 \n" ); document.write( "MULTIPLY THE FIRST EQUATION BY 3 AND SUBTRACT THEM. \n" ); document.write( "6Y-3X=-24 \n" ); document.write( "4Y+3X=-6 \n" ); document.write( "--------------------------------- \n" ); document.write( "10Y=-30 \n" ); document.write( "Y=-30/10 \n" ); document.write( "Y=-3 ANSWER. \n" ); document.write( "2*-3-X=-8 \n" ); document.write( "-6-X=-8 \n" ); document.write( "-X=-8+6 \n" ); document.write( "-X=-2 \n" ); document.write( "X=2 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "4*-3+3*2=-6 \n" ); document.write( "-12+6=-6 \n" ); document.write( "-6=-6 \n" ); document.write( " |