document.write( "Question 74372: Chapter The Elimination Method
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document.write( "6x-5y=3
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document.write( "-12x+8y=5 \n" );
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Algebra.Com's Answer #53383 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! MULTIPLY THE FIRST EQUATION BY 2 & ADD. \n" ); document.write( "12X-10Y=6 \n" ); document.write( "-12X+8Y=5 \n" ); document.write( "----------------------------------------- \n" ); document.write( "-2Y=11 \n" ); document.write( "Y=11/-2 \n" ); document.write( "Y=-11/2 ANSWER. NOW SUBSTITUTE (-11/2) FOR Y & SOLVE FOR X \n" ); document.write( "-12X+8(-11/2)=5 \n" ); document.write( "-12X-88/2=5 \n" ); document.write( "-12X-44=5 \n" ); document.write( "-12X=5+44 \n" ); document.write( "-12X=49 \n" ); document.write( "X=49/-12 \n" ); document.write( "X=-49/12 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "(6*-49/12-5*-11/2)=3 \n" ); document.write( "(-294/12+55/2)=3 \n" ); document.write( "(-294+55*6)/12=3 \n" ); document.write( "(-294+330)/12=3 \n" ); document.write( "36/12=3 \n" ); document.write( "3=3 \n" ); document.write( " \n" ); document.write( " |