document.write( "Question 176001: Find two numbers whose sum is 47 and whose difference is 7.
\n" ); document.write( "We will call the two numbers x and y.) \r
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Algebra.Com's Answer #131109 by Mathtut(3670)\"\" \"About 
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x+y=47....eq 1
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\n" ); document.write( "rewrite eq 1 to y=47-x and plug that into eq 2
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\n" ); document.write( "x-(47-x)=7
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\n" ); document.write( "x-47+x=7
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\n" ); document.write( "2x=54
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\n" ); document.write( "\"highlight%28y=47-27%29=20\"
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