Question 1196186


let a number  be {{{x}}}

if the difference of {{{18}}} and {{{three }}}{{{times}}} a {{{number}}} is {{{6}}}, we have

{{{18-3x=6}}}

{{{18-6=3x}}}

{{{12=3x}}}

{{{12/3=x}}}

{{{x=4}}}