document.write( "Question 415042: find two numbers who sum is -66 and whose difference is -116 \n" ); document.write( "
Algebra.Com's Answer #291014 by algebrahouse.com(1659)\"\" \"About 
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\"find two numbers who sum is -66 and whose difference is -116\"\r
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\n" ); document.write( "\n" ); document.write( "x = one number
\n" ); document.write( "y = other number\r
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\n" ); document.write( "\n" ); document.write( "x + y = -66 {sum is -66}
\n" ); document.write( "x - y = -116 {difference is -116}
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\n" ); document.write( "2x = -182 {added the two equations together}
\n" ); document.write( "x = -91 {divided both sides by 2}\r
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\n" ); document.write( "\n" ); document.write( "x + y = -66 {top equation}
\n" ); document.write( "-91 + y = -66 {substituted -91, in for x, into top equation}
\n" ); document.write( "y = 25 {added 91 to both sides}\r
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\n" ); document.write( "\n" ); document.write( "Two numbers are -91 and 25\r
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\n" ); document.write( "\n" ); document.write( "*To check*
\n" ); document.write( "-91 + 25 = -66 {sum is -66}
\n" ); document.write( "-91 - 25 = -116 {difference is -116}
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