16^(x-2)=2^x*(1/32)^(x-4)
16^(x-2)=2^x*(1/2^5)^(x-4) 2^4x*2^(-8)=2^x*2^(-5x)*2^20 2^(4x+5x-x)=2^(20+8) 2^8x=2^(28) 8x=28 x=3,5