2X+Y=8 X+Y=4 Selesaikanlah SPLDV menggunakan metode grafik?

2x + y = 8
X + y = 4
x = 4 - y/2

x + y = 4
4 - y/2 + y = 4
y = 0

x + 0 = 4
x = 4

(x,y) = (4,0)
2 × 4 + 0 = 8
4 + 0 = 4
8 = 8
4 = 4

(x,y) = (4,0)