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what is w equal to in the equation 22-w over 3 = -7

 Aug 31, 2016
 #1
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\((22-w)/3=-7\\ 22-w = -21\\ w = 43\)

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 Aug 31, 2016
 #2
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Hello Guest!

 

what is w equal to in the equation 22-w over 3 = -7

 

322-w = -7

(22-w) * ln3 = ln(-7)

w = 22 - ln(-7) / ln(3)

 

ln(-7) = 1.94591015 + 3.14159265 i    

https://support.google.com/websearch/answer/3284611?hl=de

 

ln(3) = 1.09861228867

 

w = 22 - (1.77124375002 + 2.85960086411 i)

w = 20.22875625 - 2.85960086411 i

 

Greeting

asinus :- ) laugh !

 Aug 31, 2016
 #3
avatar+9665 
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Wow asinus. That was not exponential equation. Oops. Great job though. I didn't know that ln(-7) = 1.94591015 + πi

MaxWong  Aug 31, 2016

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