document.write( "Question 930779: 5(r+4)=d
\n" ); document.write( "12(r-4)=d\r
\n" ); document.write( "\n" ); document.write( "r is rate, and that is what I am trying to solve for.
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Algebra.Com's Answer #565298 by mananth(16946)\"\" \"About 
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5(r+4)=d
\n" ); document.write( "12(r-4)=d\r
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\n" ); document.write( "\n" ); document.write( "Therefore\r
\n" ); document.write( "\n" ); document.write( "5(r+4)=12(r-4)\r
\n" ); document.write( "\n" ); document.write( "5r+20=12r-48
\n" ); document.write( "7r=68
\n" ); document.write( "r=68/7
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