document.write( "Question 438992: (4/3)^1-x =5^x
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document.write( "Please show me how to solve this showing all steps. I tried taking the ln of both sides and ended up with x=.47, which is wrong. I know the answer is x=0.15, but am not sure how to get there. Below I will show my original work done so you can see that I have tried, even though I am certain it is incorrect.
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document.write( "(4/3)^1-x=5^x
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document.write( "(1-x) ln4/3=x ln5
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document.write( "ln4/3-(ln4/3)x=(ln5)x\r
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document.write( "x= ln4/3 =.47
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document.write( " ___________
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document.write( " ln5 + ln4/3 \n" );
document.write( "
Algebra.Com's Answer #303454 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I know the answer is x=0.15, but am not sure how to get there. Below I will show my original work done so you can see that I have tried, even though I am certain it is incorrect. \n" ); document.write( "(4/3)^(1-x) = 5^x \n" ); document.write( "(1-x)ln(4/3) = x ln5 \n" ); document.write( "ln4/3-(ln4/3)x=(ln5)x \n" ); document.write( "--- \n" ); document.write( "[ln(5)+ln(4/3)]x = ln(4/3) \n" ); document.write( "--- \n" ); document.write( "[ln[(20/3)]x = ln(4/3) \n" ); document.write( "--- \n" ); document.write( "x = [ln(4/3)]/[ln(20/3)] \n" ); document.write( "--- \n" ); document.write( "x = 0.2877/1.8971 \n" ); document.write( "------ \n" ); document.write( "x = 0.1516... \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " \n" ); document.write( " |