document.write( "Question 122187: Given f(x)=2x-5, find f(a+3) \n" ); document.write( "
Algebra.Com's Answer #89713 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\"f%28x%29=2x-5\" Start with the given function.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28a%2B3%29=2%28a%2B3%29-5\" Plug in \"x=a%2B3\". In other words, replace each x with \"a%2B3\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%28a%2B3%29=2a%2B6-5\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"f%28a%2B3%29=2a%2B1\" Combine like terms
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