How do you solve #5^(x+2) = 4^(1-x)#?
2 Answers
May 22, 2015
One easy way is using logarithms because there is one law of logarithms which states that
So, let's put logarithms on both sides (to keep the equality):
Approximating
May 22, 2015
Another way to do that would be
using the natural log
or using the log base 20