document.write( "Question 196847: Solve for r: 3r-4=4(r-3) \n" ); document.write( "
Algebra.Com's Answer #147574 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"3r-4=4%28r-3%29\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3r-4=4r-12\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"3r=4r-12%2B4\" Add \"4\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"3r-4r=-12%2B4\" Subtract \"4r\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-r=-12%2B4\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"-r=-8\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"r=%28-8%29%2F%28-1%29\" Divide both sides by \"-1\" to isolate \"r\".\r
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\n" ); document.write( "\n" ); document.write( "\"r=8\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"r=8\"
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