document.write( "Question 372474: solve system of equations using multiplication with the addition method;\r
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document.write( "7x-3y=-5
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document.write( "3x+2y=11 \n" );
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Algebra.Com's Answer #265302 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 7x-3y=-5....................1 \n" ); document.write( "3x+2y=11....................2\r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( "multiply (1) by 2 & (2) by 3 \n" ); document.write( "14x-6y=-10 \n" ); document.write( "9x+6y=33 \n" ); document.write( ".. \n" ); document.write( "add them up \n" ); document.write( "14x+9x=-10+33 \n" ); document.write( "23x=23 \n" ); document.write( "/23 \n" ); document.write( "x=1 \n" ); document.write( ".. \n" ); document.write( "plug value of x in (1) \n" ); document.write( "7-3y=-5 \n" ); document.write( "3y=7+5 \n" ); document.write( "3y=12 \n" ); document.write( "/3 \n" ); document.write( "y=4 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |