Question

if (2^-x*8^2x+1*16^2x)/4^3x=1/16
find x​

Answer 1

Answer:

x=-1

Step-by-step explanation:

writting 2,8,16,4 in terms of 2 powers

2^-x×2^(6x+3)×2^(8x)×2^-6x= 2^-4

bases are equal powers are added

-x+6x+3+8x-6x=-4

7x=-7

x=-1