Question

Log2x+6log4x+9log8x=14

Answer 1

log2x+6log2^2x+9log2^3x=14

log2x+6*12log2x+9*13log2x=14

log2x+3log2x+3log2x=14

log2x+log2x^3+log2x^3=14

log2(x*x^3*x^3)=14

log2x^7=14

x=