Question

find x so that (3/5)power-4×(3/5)power-7=(3/5)power2x-1​

Answer 1

Step-by-step explanation:

(3/5)^-4×(3/5)^-7=(3/5)^2x-1

(3/5)^-4+(-7)=(3/5)^2x-1

(3/5)^-11=(3/5)^2x-1

As bases are same so powers are also same

-11=2x-1

-11+1=2x

-10=2x

-10/2=x

-5=x

x=-5