document.write( "Question 962607: Solve the exponential equation algebraically. Approximate the result to three decimal places. (Enter your answers as a comma-separated list.)
\n" ); document.write( "4^(1 − x) = 315
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Algebra.Com's Answer #588163 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"4%5E%281-x%29+=+315\".......use log to solve\r
\n" ); document.write( "\n" ); document.write( "\"log%284%5E%281-x%29%29+=+log%28315%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%281-x%29log%284%29+=+log%289%2A35%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%281-x%29+=+log%283%5E2%2A35%29%2Flog%284%29\"\r
\n" ); document.write( "\n" ); document.write( "\"1-x+=+%28log%283%5E2%29%2Blog%287%2A5%29%29%2Flog%284%29\"\r
\n" ); document.write( "\n" ); document.write( "\"1-x+=+%282log%283%29%2Blog%287%29%2Blog%285%29%29%2Flog%282%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"1-%282log%283%29%2Blog%287%29%2Blog%285%29%29%2F2log%282%29=x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%282log%282%29-2log%283%29-log%285%29-log%287%29%29%2F2log%282%29\"...exact solution\r
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\n" ); document.write( "\n" ); document.write( "\"x=%280.60205999132796-0.9542425094-0.69897-0.84509804%29%2F%280.60205999132796%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%28-1.89625055807204%29%2F%280.60205999132796%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-3.149604\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-3.149\" or \"x=-3.150\"\r
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