Garis 2x+3y=19, menyinggung garis x-y=2,berapa nilai xdany?

Sy ngerjain di kertas yah

2x + 3y = 19 | dikali 1
x - y = 2 | dikali 2

2x + 3y = 19
2x - 2y = 4
——————— -
5y = 15
y = 3


2x + 3y = 19
2x + 3(3) = 19
2x + 9 = 19
2x = 19-9
2x = 10
x = 5


jadi jawabannya, y = 3 dan x = 5