Question

2^(x)*4^(x+1)*8^(x+2) = 16^(x+3)

Answer 1

2^x*2^2(x+1)*2^3(x+2)=2^4(x+3)
2^x*2^2x+2*2^3x+6=2^4x+12
x+2x+2+3x+6=4x+12
6x-4x=12-8
2x=4
x=4/2

x=2