Question 1088276
n,   "number"


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four divided by a number equals 1/4 times that number
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{{{4/n=(1/4)n}}}

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{{{4/n=n/4}}}

{{{4n(4/n)=4n(n/4)}}}

{{{16=n^2}}}

{{{system(n=4,or,n=-4)}}}---------you might be able to see the same answer without even going through the solution steps.  (Except for maybe first reacing  {{{4/n=n/4}}} ).