Recent content by violetcat

Here's an alternate solution: 2(3^x)=7(5^x) 2/7=(5^x)/(3^x) Divide both sides by 7 and by 3^x 2/7=(5/3)^x log(2/7)=log((5/3)^x) log(2/7)=x log(5/3) log(2/7)/log(5/3)=x