[tex] \frac{x}{5} = 20 \\ x = 20 \times 5 \\ x = 100[/tex]
[tex] \frac{\cancel{(100)}}{\cancel{5}}\frac{20}{1} = 20 \\ \\ 20 \:= \:20[/tex]
[tex]\therefore[/tex] L.H.S = R.H.S