Solve the logarithmic equation for x. 4 − log(7 − x) = 3 x =

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Solve the logarithmic equation for x.
4 − log(7 − x) = 3

x = 

Jul 16th, 2015

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4 − log(7 − x) = 3 

 log(7 − x) = 1

7 − x = e 

x = 7 - e

x =  4.2817

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 16th, 2015

answer incorrect

Jul 16th, 2015

ok wait 

i think thats because 

log(x) = ln(x) / ln(10) 

i will give you the right answer for all  just wait 

Jul 16th, 2015

4 − log(7 − x) = 3 

log(7 − x) = 1

ln(7 − x) / ln(10) = 1 

ln(7 − x) = ln(10)

7 - x = 10 

x = -3

test it now 

Jul 16th, 2015

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