Find value of x (all log has base 5): log120 + x - 3 -2log(1- 5^(x-3) ) + log(0.2 - 5^(x-4) ) = 0?

I'm not good at math, but I suggest downloading the free app called PhotoMath and try it on there. I haven't met a math problem it couldn't solve yet. It will show you the steps how to do it.