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\n" ); document.write( ": 2(4-2r)=-2(r+5) \n" ); document.write( "

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2(4-2r)=-2(r+5)\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "8-4r = -2r-10
\n" ); document.write( "2r-4r=-10-8
\n" ); document.write( "-2r = -18
\n" ); document.write( "r = 9 \n" ); document.write( "

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