document.write( "Question 229018: what is the solution for the following system of linear equations?\r
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document.write( "X+6Y=-4
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document.write( "3X-4Y=10 \n" );
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Algebra.Com's Answer #169889 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! X+6Y=-4 MULTIPLY THIS EQUATION BY -3 7 ADD, \n" ); document.write( "3X-4Y=10 \n" ); document.write( "-3X-18Y=12 \n" ); document.write( "----------------- \n" ); document.write( "-22Y=22 \n" ); document.write( "Y=22/-22 \n" ); document.write( "Y=-1 ANS. \n" ); document.write( "X+6*-1=-4 \n" ); document.write( "X-6=-4 \n" ); document.write( "X=-4+6 \n" ); document.write( "X=2 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "3*2-4*-1=10 \n" ); document.write( "6+4=10 \n" ); document.write( "10=10 \n" ); document.write( "----------------------------- \n" ); document.write( "THE ANSWER IS (2,-1) NORMALLY THESE TERMS ARE PRESENTED AS (X,Y) \n" ); document.write( " |