How do you use logarithms to solve for x in 5^(x+1)=24?

1 Answer
Jul 12, 2018

color(blue)(x~~0.974635869)

Explanation:

5^(x+1)=24

Taking logarithms of both sides:

ln(5^(x+1))=ln(24)

Form the laws of logarithms:

log(a^b)=blog(a)

(x+1)ln(5)=ln(24)

Divide by ln(5)

x+1=ln(24)/ln(5)

x=ln(24)/ln(5)-1~~0.974635869