Question 150679
Get the left side over a common denominator
{{{(2x)/5 - (3x)/3 = 3 }}}
{{{(3*(2x) - 5*(3x))/15 = 3 }}}
{{{(6x - 15x)/15 =3}}}
{{{-9x/15 = 3 }}}
{{{-9x = 45}}}
{{{-x = 5}}}
{{{x = 5}}}

Check your answer
Does {{{-10/5 - (-15)/3 = 3}}}??