Question

What is the solution to the equation 7 −3x ≈ 9?

Answer 1

7^-3x ≈ 9

Answer 2

ln both sides

Answer 3

Solving for x?

Answer 4

\[-3x=\ln9/\ln7 \]

Answer 5

yes for x

Answer 6

i'm having some trouble finding this out

Answer 7

\[\ln 7^(-3x) = \ln 9 \]

Answer 8

i'm not sure what to do

Answer 9

is it one of these? x = −0.295

x = −0.376 @ylu21

Answer 10

Sorry to get back that late, how did you find the first one? the second one seems right to me

Answer 11

@math871 x=(ln9/ln7)/-3=-0.376...