Question

If 1/2x +1/4x + 1/8x=14 then x=

Answer 1

Taking LCM

4/8x+2/8x+1/8x=14

Therfore... 4+2+1/8x=14, 7/8x=14

7=112x,  x=7/112=1/16

Therfore x=1/16

Answer 2

Answer:

$\frac{4 + 2 + 1}{8x} = 14 \: i.e \: \frac{7}{8x} = 14 \: so \: x = \frac{7}{8 \times 14} = \frac{1}{16} \: ans.$