document.write( "Question 880240: solve the system y=2x-1
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document.write( " 3x-y=-1 \n" );
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Algebra.Com's Answer #531284 by prabhjeet(2) You can put this solution on YOUR website! -Solution \n" ); document.write( "given equations are; \n" ); document.write( " \n" ); document.write( " y=2x-1----------(i) \n" ); document.write( " 3x-y=-1----------(ii)\r \n" ); document.write( "\n" ); document.write( "here eq.(i);y=2x-1 \n" ); document.write( "or,2x-y=1---------(iii)\r \n" ); document.write( "\n" ); document.write( "Now,substracting eq iii from eq ii \n" ); document.write( " 3x-y=-1 \n" ); document.write( " 2x-y= 1 \n" ); document.write( " (-)(+)(-) \n" ); document.write( "_____________ \n" ); document.write( " x =-2 \n" ); document.write( "lastly putting x=-2 in eq. i we get; y=2x-1 \n" ); document.write( " or, y=2*-2-1 \n" ); document.write( " or, y=-4-1 \n" ); document.write( " or y=-5\r \n" ); document.write( "\n" ); document.write( "therefore,x=-2 and y=-5 # \n" ); document.write( " \n" ); document.write( " |