Mal87:

Solve. 33=8^5z+4

3 months ago
nuts:

$$33=8^{5z+4}$$ right?

3 months ago
Mal87:

yes

3 months ago
nuts:

ok take base e log of both sides ln 33 = (5z+4) ln ln 33/ln 8 = 5z+4 convert logs $$\log_8 33 = 5z+4$$ $$\log_8 33-4=5z$$ $$(\log_8 33)/5-4/5=z$$ how do you want the final answer? as a decimal or as an expression?

3 months ago
Mal87:

Actually that is perfect. Thank you so much :)

3 months ago
nuts:

anytime!

3 months ago