Question 500028
{{{3/n - 1/4 = 1/12 - 5/3}}}
add 1/4 to both sides

{{{3/n - 1/4+1/4 = 1/12 - 5/3+1/4}}}

{{{3/n = 1/12 - 5/3+1/4}}}

LCD of the equation is 12n 
Multiply equation by 12n

{{{3*12n/n = 1*12n/12 - 5*12n/3+1*12n/4}}}

36=n-20n+3n
36=-16n
n=-9/4


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