document.write( "Question 6266: This is on elimination.
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document.write( "3x+y=1
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document.write( "5x-y=1 \r
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document.write( "I just asked this question, and the answers that you gave me were (1/4,-3/4) And the 1/4 checks, but the -3/4 doesn't check... So now i'm really confused, because this doesn't seem right.. \n" );
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Algebra.Com's Answer #3349 by jst_kidding(6) ![]() You can put this solution on YOUR website! see this ones easy !! \n" ); document.write( "3x+y=1 \n" ); document.write( "5x-y=1\r \n" ); document.write( "\n" ); document.write( "Now by simulteneous eqns y gets cut !! \n" ); document.write( "Now we know tat 8x=2 \n" ); document.write( "therefore x=1/4 (u got till here correct) \n" ); document.write( "now if we substitute the value of x in eqn-1 \n" ); document.write( "we get- \n" ); document.write( "1/4 + y =1 \n" ); document.write( "y = 1 - 1/4 \n" ); document.write( " = 4-1 \n" ); document.write( " ------- \n" ); document.write( " 4 \n" ); document.write( "therefore y = 3/4 (not -3/4) \n" ); document.write( " |