Question

SOLVING EXPONENTIAL EQUATIONS WITH UNEQUAL BASES: 5^(x+5)=9^x

Answer 1

x ≈ –3.63

x ≈ –0.28

x ≈ 0.07

x ≈ 13.69

Answer 2

\(\large 5^{x+5}=9^x \)
\(\large 5^x\cdot5^5=9^x \)
\(\large 5^5=\frac{9^x}{5^x}=(\frac{9}{5})^x \)
\(\large 5^5=(\frac{9}{5})^x \rightarrow x=\frac{ln5^5}{ln(\frac{9}{5})} \)

Answer 3

use your calculator from here...