3(3x + y = 1/3) ➡️ 9x + 3y =1
9x + 3y = 1 (3/3) Add together
2x - 3y = 8/3
11x = 11/3 divided by 11
x = 1/3
2x - 3y = 8/3 Find y
2(1/3) - 3y = 8/3 Plug in x
(2/3) - 3y = 8/3 Subtract 2/3
-2/3 -2/3
-3y = 6/3 Divided by -3
y = -2/3
(x , y) ➡️ (1/3 , -2/3)