Question

solve 5e^(-x) - 7 = 2

Answer 1

Have you considered adding 7 to both sides?

Answer 2

e^-x = 9/5
-x ln(e) = ln(9/5)
x = ln(5/9) since ln(e) = 1

Answer 3

Gaaa!!!! Now, we'll never know if idkatie can do it!

Answer 4

dude i just need to know the answer

Answer 5

That is NEVER correct. You need to LEARN! Stop underestimating yourself.

Also, please read the forum rules, both of you.