Question

Solve for x. 7^(x-2)=12^(x)

Answer 1

7^(x-2)=12^(x)

ln(7^(x-2))=ln(12^(x))

xln(7)-2ln(7)=ln(12^(x))

xln(7)-2ln(7)-xln(12)=0

x(ln(7)-ln(12))=2ln(7)

x=(2ln(7))/(ln(7)-ln(12))

x=3.8918

Answer 2

i double checked.

Answer 3

I lol I saw that on another website, but I don't think it's right :P

Answer 4

I checked it doesn't work :/ @juanpabloJR

Answer 5

hold on