Question 1042007
{{{system(x+y=120,3x=2y)}}}



{{{y=120-x}}}
-
{{{3x=2(120-y)}}}
{{{3x=240-2y}}}
{{{5x=240}}}
{{{x=24*2*5/5}}}
{{{highlight(x=48)}}}
-
{{{y=120-48}}}
{{{y=120-50+2}}}
{{{highlight(y=72)}}}