Question 670579
{{{x+y = 20}}} so {{{x = 20-y}}}
{{{3x = 2y}}}
{{{3*(20-y) = 2y}}}
{{{60 - 3y = 2y}}}
{{{60 = 5y}}}
{{{12 = y}}}
then x = 20-12 = 8

Does 3*8 = 2*12?