document.write( "Question 168238: can anyone help me work this one out?
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document.write( "-x+3y=-1, x-2y=2 \n" );
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Algebra.Com's Answer #124002 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x-2y=2 \n" ); document.write( "x=2y+2 \n" ); document.write( ". \n" ); document.write( "-x+3y=-1 \n" ); document.write( "-(2y+2)+3y=-1 Substitute the 1st equation for x. \n" ); document.write( "-2y-2+3y=-1 \n" ); document.write( "y-2=-1 \n" ); document.write( "y=1 \n" ); document.write( "x=4 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |