Tlong jwbin tentukan spld berikut 2x+3y=5 dan-x+4y=16 pki cra jga

2x + 3y = 5 | x1
-x + 4y = 16 | x2
2x + 3y = 5
-2x + 8y = 32
——————- –
-5y = -27
y = 5,4
2x + 3y = 5
2x + 3(5,4) = 5
2x = 5 – 16,2
2x = -11,2
x = -5,6
Pembuktian :
2x + 3y = 5
2(-5,6) + 3(5,4) = 5
-11,2 + 16,2 = 5