Asked by Alexander
Solve the Logarithmic equation algebraically. Give an Exact Answer and an approximation for x to four decimal places.
20 log(2x+2)=45
20 log(2x+2)=45
Answers
Answered by
Steve
log(2x+2) = 45/20 = 2.25
assuming natural logs,
2x+2 = e^2.25
x = (e^2.25 - 2)/2
x = 3.7439
assuming natural logs,
2x+2 = e^2.25
x = (e^2.25 - 2)/2
x = 3.7439
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