document.write( "Question 178264: 7r+1=7s solve for r \n" ); document.write( "
Algebra.Com's Answer #133227 by jim_thompson5910(35256)\"\" \"About 
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\"7r%2B1=7s\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"7r=7s-1\" Subtract \"1\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"r=%287s-1%29%2F%287%29\" Divide both sides by \"7\" to isolate \"r\".\r
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\n" ); document.write( "\n" ); document.write( "So the answer is \"r=%287s-1%29%2F%287%29\"
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