document.write( "Question 110683: The problem: Find two numbers whose sum is 44 and whose difference is 22\r
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document.write( "I already know the answer - I had no problem figuring it out. What I need to see is the proper way to solve it. I got the answers 33 and 11. This is how I started it:\r
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document.write( "x + y = 44
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document.write( "x - y = 22\r
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document.write( "x = 22 + y and x = 44 - y .....what next? I plugged numbers in until I found the answer but there must be an easier way? \n" );
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Algebra.Com's Answer #80642 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x + y = 44 \n" ); document.write( "x - y = 22 \n" ); document.write( "------------ \n" ); document.write( "Add the two equations to get: \n" ); document.write( "2x = 66 \n" ); document.write( "x = 33 \n" ); document.write( "---------- \n" ); document.write( "Substitute into x+y=44 to solve for y: \n" ); document.write( "33+y = 44 \n" ); document.write( "y = 11 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |