document.write( "Question 586189: 4e^x+2=32\r
\n" ); document.write( "\n" ); document.write( "ln(5x-3)^1/3=2\r
\n" ); document.write( "\n" ); document.write( "2x^(3x-2)+4=16\r
\n" ); document.write( "\n" ); document.write( "2e^(x-2)=e^x+7\r
\n" ); document.write( "\n" ); document.write( "1/3lnx+ln2-ln3=3\r
\n" ); document.write( "\n" ); document.write( "ln(x+2)-ln4=3\r
\n" ); document.write( "\n" ); document.write( "Hello. Thank you for your time. I have a test and Im practicing on these problems, but I keep getting something wrong. Can you work them out please? Thank you sooo much!!! =)
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Algebra.Com's Answer #373811 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
4e^x + 2 = 32
\n" ); document.write( "4e^x = 32 - 2
\n" ); document.write( "4e^x = /4
\n" ); document.write( "e^x = 7.5
\n" ); document.write( "use nat logs here
\n" ); document.write( "ln(e^x) = ln(7.5)
\n" ); document.write( "the log equiv of exponents
\n" ); document.write( "x*ln(e) = ln(7.5)
\n" ); document.write( "ln of e is 1 therefore
\n" ); document.write( "x = ln(7.5}
\n" ); document.write( "x = 2.015
\n" ); document.write( ":
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\n" ); document.write( "ln(5x-3)^1/3 = 2
\n" ); document.write( "Cube both sides
\n" ); document.write( "ln(5x-3) = 2^3
\n" ); document.write( "ln(5x-3) = 8
\n" ); document.write( "find the anti-log of both sides (\"e%5Ex\")
\n" ); document.write( "5x - 3 = 2981
\n" ); document.write( "5x = 2981 + 3
\n" ); document.write( "x = 2984/5
\n" ); document.write( "x = 596.8
\n" ); document.write( ":
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\n" ); document.write( "2x^(3x-2) + 4 = 16
\n" ); document.write( "2x^(3x-2) = 16 - 4
\n" ); document.write( "2x^(3x-2) = 12
\n" ); document.write( "x^(3x-2) = 12/2
\n" ); document.write( "x^(3x-2) = 6
\n" ); document.write( "use common logs
\n" ); document.write( "log(x^(3x-2)) = log(6)
\n" ); document.write( "(3x-2)log(x) = .778
\n" ); document.write( "log(x) = \".778%2F%28%283x-2%29%29\"
\n" ); document.write( "That's about all I can do with this
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\n" ); document.write( ":
\n" ); document.write( "2e^(x-2) = e^x + 7
\n" ); document.write( "2e^(x-2) - e^x = 7
\n" ); document.write( "I don't think there is a solution here
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "\"1%2F3\"ln(x) + ln(2) - ln(3) = 3
\n" ); document.write( "ln(x^(1/3)) + ln(2) - ln(3) = 3
\n" ); document.write( "combine as a single log
\n" ); document.write( ":
\n" ); document.write( "\"ln%28%282x%5E%281%2F3%29%29%2F3%29\" = 3
\n" ); document.write( "find the antilog (e^10) of 3, gets rid of ln
\n" ); document.write( "\"%28%282x%5E%281%2F3%29%29%2F3%29\" = 20.0855
\n" ); document.write( ":
\n" ); document.write( "\"2x%5E%281%2F3%29\" = 3(20.0855)
\n" ); document.write( ":
\n" ); document.write( "\"2x%5E%281%2F3%29\" = 60.2566
\n" ); document.write( ":
\n" ); document.write( "\"x%5E%281%2F3%29\" = \"60.2566%2F2\"
\n" ); document.write( ";
\n" ); document.write( "\"x%5E%281%2F3%29\" = 30.1283
\n" ); document.write( "Cube both sides:
\n" ); document.write( "x = 30.1283^3
\n" ); document.write( "x ~ 27348
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