Question 706079
Notation is important.


1/(3x) + 2/5 = 8
{{{15x(1/(3x)+2/5)=15x*8}}}
{{{5+6x=15*8*x}}}
{{{6x-15*8*x =-5}}}
{{{-120x+6x=-5}}}
{{{-114x=-5}}}
result: {{{x=5/114}}}


(1/3)x + 2/5 = 8 
{{{3*5((1/3)x+2/5)=8*3*5}}}
{{{5x+6=120}}}
{{{5x=114}}}
result: {{{x=114/5}}}