document.write( "Question 239970: solve the system of equations using the addition method
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document.write( "2x-3y=4
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document.write( "3x-5y=4 \n" );
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Algebra.Com's Answer #175964 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x-3y=4 multiply by -3 \n" ); document.write( "3x-5y=4 multiply by 2 & add \n" ); document.write( "-6x+9y=-12 \n" ); document.write( "6x-10y=8 \n" ); document.write( "-------------- \n" ); document.write( "-y=-4 \n" ); document.write( "y=-4/-1 \n" ); document.write( "y=4 ans. \n" ); document.write( "2x-3*4=4 \n" ); document.write( "2x-12=4 \n" ); document.write( "2x=4+12 \n" ); document.write( "2x=16 \n" ); document.write( "x=16/2 \n" ); document.write( "x=8 ans. \n" ); document.write( "Proof: \n" ); document.write( "3*8-5*4=4 \n" ); document.write( "24-20=4 \n" ); document.write( "4=4 \n" ); document.write( " |