document.write( "Question 390921: 2X-3Y=1
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document.write( "-X+2y=-4 \n" );
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Algebra.Com's Answer #277254 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2x-3y=1...................1 \n" ); document.write( "-x+2y=-4..................2 \n" ); document.write( ".. \n" ); document.write( "multiply (2) by 2 \n" ); document.write( "-2x+4y=8 \n" ); document.write( "add this to (1) \n" ); document.write( "2x-2x-3y+4y=1-8 \n" ); document.write( "y=-7\r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( "plug value of y in 2 \n" ); document.write( "-x+2*-7=-4 \n" ); document.write( "-x-14=-4 \n" ); document.write( "-x=14-4 \n" ); document.write( "-x=10 \n" ); document.write( "/-1 \n" ); document.write( "x= -10 \n" ); document.write( "... \n" ); document.write( " |