Solve the following using a calculator and "logs"? 5 ln (2x + 3) = 25

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Answer 1 · 2018-05-06T15:18:42

the answer
#x=72.7066#

given:
#5ln(2x + 3) =25#

#ln(2x + 3)=25/5#

#ln(2x + 3)=5#

now take e to each side

#e^(ln(2x + 3))=e^5#

#2x+3=e^5#

#e^5=148.4132#

#2x=148.4132-3#

#2x=145.4132#

#x=72.7066#