document.write( "Question 58070: hi, i need some help with these equations and if possible express the answer as on ordered pair....\r
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document.write( "x-y=4
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document.write( "2x+y=5\r
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document.write( "thanks in advance for the help!! \n" );
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Algebra.Com's Answer #39728 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1st: x-y=4 \n" ); document.write( "2nd: 2x+y=5 \n" ); document.write( "---------- \n" ); document.write( "Add 1st and 2nd to get: \n" ); document.write( "3rd: 3x=9 \n" ); document.write( "x=3 \n" ); document.write( "Substitute into 1st or 2nd to solve for y, as follows: \n" ); document.write( "3-y=4 \n" ); document.write( "y=-1 \n" ); document.write( "Solution: (3,-1) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |