document.write( "Question 1013865: what is 2x+y=21 and x-y=6\r
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Algebra.Com's Answer #630171 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! From these two equations, we add them to get \n" ); document.write( "2x+y=21 \n" ); document.write( "x-y=6 \n" ); document.write( "----------- \n" ); document.write( "3x = 27 \n" ); document.write( "x = 9 \n" ); document.write( "y = 3 \n" ); document.write( " |