Question 914993
x = {{{2y}}}
x + y = 12
2y + y = 12
3y = 12
y = 4  and x = 8 {{{2*4}}}
Ordered Pair(8, 4) the solution for this system
{{{drawing(300,300,   -10,14,-10,10,   grid(1),
circle(8, 4,0.4),
graph( 300, 300, -10,14,-10,10,0, .5x, 12-x))}}}