Question

7*3^x-5^(x+1)=3^(x+3)-5^(x+2)

Answer 1

7*3^(x)-5^(x)*5=3^(x)*3(3)-5^(x)*5(2)
7-5*5/3^(x) = -25*5/3^(x)+27
-5*5/3^(x)+25*5/3^(x)= 27-7
20*5/3^(x)=20
5/3^(x)=1
5/3^(x)=5/3^(0)
x=0