document.write( "Question 1157834: log2(3x+4)=5 \n" ); document.write( "
Algebra.Com's Answer #780730 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"log%282%2C%283x%2B4%29%29=5\".......change to the base \"10\"\r
\n" ); document.write( "\n" ); document.write( "\"log%28%283x%2B4%29%29%2Flog%282%29=5\"\r
\n" ); document.write( "\n" ); document.write( "\"log%28%283x%2B4%29%29=5log%282%29\"\r
\n" ); document.write( "\n" ); document.write( "\"log%28%283x%2B4%29%29=log%282%5E5%29\"...if log same then\r
\n" ); document.write( "\n" ); document.write( "\"3x%2B4=2%5E5\"\r
\n" ); document.write( "\n" ); document.write( "\"3x%2B4=32\"\r
\n" ); document.write( "\n" ); document.write( "\"3x=32-4\"\r
\n" ); document.write( "\n" ); document.write( "\"x=28%2F3\"-> exact solution\r
\n" ); document.write( "\n" ); document.write( "\"x=9.3333\"->approximately\r
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