document.write( "Question 1043591: Solve each of the following, eliminate any extraneous solutions.
\n" ); document.write( "a, 7^(2x+1) = 4^(x-2)
\n" ); document.write( "b, 4^x = 3+ 18(4^-x)
\n" ); document.write( "c, 9= logbase5(x+100) +6
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Algebra.Com's Answer #658746 by josgarithmetic(39623)\"\" \"About 
You can put this solution on YOUR website!
\"7%5E%282x%2B1%29+=+4%5E%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%28%287%5E%282x%2B1%29%29%29=log%28%284%5E%28x-2%29%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%282x%2B1%29log%28%287%29%29=%28x-2%29%2Alog%28%284%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2Alog%28%287%29%29%2Blog%28%287%29%29=x%2Alog%28%284%29%29-log%28%284%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x%2Alog%28%287%29%29-x%2Alog%28%284%29%29=-log%28%287%29%29-log%28%284%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%282%2Alog%28%287%29%29-log%28%284%29%29%29=-%28log%28%287%29%29%2Blog%28%284%29%29%29\"\r
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\n" ); document.write( "\n" ); document.write( ", or finish into whatever form you like.
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