Question

please answer quickly : Solve 5 (^x + 5) = 9x. *logs*

Answer 1

See the other problem's solution and do it same way.

Answer 2

x ≈ –3.63
x ≈ 13.69
x ≈ 0.07
x ≈ –0.28
i think its the first one!! is that right?

Answer 3

??

Answer 4

Are you sure the other side is 9x and not 9^x?

Answer 5

your right! 9^x

Answer 6

is it the first option?..... or am i off

Answer 7

(x+5) * ln(5) = x * ln(9)
x (ln(5) - ln(9)) = -5*ln(5)
x = -5(ln(5))/(ln(5)-ln(9))

Answer 8

13.69

Answer 9

thanks:) i posted one last question, pleas help for a medal

Answer 10

Sounds good. I don't have a scientific calculator to truly calculate and confirm.

Answer 11

yes, it is. you can just google -5(ln(5))/(ln(5)-ln(9))