document.write( "Question 1024610: System of Linear Equation Word Problem : the sum of two numbers 111 and their difference is 45. \n" ); document.write( "
Algebra.Com's Answer #640001 by rothauserc(4718)\"\" \"About 
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I make the initial condition x > y
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\n" ); document.write( "x + y = 111
\n" ); document.write( "x - y = 45
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\n" ); document.write( "solve second equation for x
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\n" ); document.write( "x = y + 45
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\n" ); document.write( "substitute for x in first equation
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\n" ); document.write( "y+45 +y = 111
\n" ); document.write( "2y = 66
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\n" ); document.write( "y = 33 and x = 78
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