document.write( "Question 902100: 2/lg(x-4)=1\r
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\n" ); document.write( "\n" ); document.write( "without a calculator
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Algebra.Com's Answer #547082 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"2%2Flg%28x-4%29=1\"
\n" ); document.write( "\"2=log%28%28x-4%29%29%2A1\"
\n" ); document.write( "\"2=log%28%28x-4%29%29\"
\n" ); document.write( "Is the base 10 ?\r
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\n" ); document.write( "\n" ); document.write( "If it is, then the equivalent exponential form is \"10%5E2=x-4\"
\n" ); document.write( "\"100=x-4\"
\n" ); document.write( "\"x=100%2B4\"
\n" ); document.write( "\"highlight%28x=104%29\"\r
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\n" ); document.write( "\n" ); document.write( "Try to check this.
\n" ); document.write( "\"2%2Flog%2810%2C%28104-4%29%29\"
\n" ); document.write( "\"2%2Flog%2810%2C100%29\"
\n" ); document.write( "\"2%2Flog%2810%2C10%5E2%29\"
\n" ); document.write( "\"2%2F%282%2Alog%2810%2C10%29%29\"
\n" ); document.write( "\"2%2F%282%2A1%29\"
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\n" ); document.write( "YES, x=4 works.\r
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\n" ); document.write( "The page should show a link or button to send a message to the tutor if you want.
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