y= × + 3 dan 3 × + y 9=0

y = x +3

3x + 9y = 0

maka

3x + 9 (x+3) = 0
3x + 9x + 27 = 0
12x = -27
x = - 9/4

y = -9/4 + 3 = -2.25 + 3 = 0.75 = 1/4

Semoga bermanfaat
-Lala ❤