Question

I can't solve this....
Solve for x.
18^(x+8)=13^(-9x)

Answer 1

hit both sides with "ln"

Answer 2

if you heard of natural logarithms

Answer 3

(or log with any other base if you prefer that, base of 10 - which is typical .. or any positive base)

Answer 4

If you didn't learn about logarithms, you can graph
y=18^(x+8)
y=13^(-9x)

and look for the x value at which the functions will intersect

Answer 5

Thank you...

Answer 6

yw