Himpunan Penyelesaian dari 2x+y=3 dan x+3y=4 adalah?

2x+y=3
x+3y=4 dikali 2

2x+y=3
2x+6y=8
------------ -
-5y = -5
y = 1

2x+1 = 3
2x = 2
x = 1

2x + y = 3 |x1|
x + 3y = 4 |x2|

2x + y = 3
2x +6y= 8
————— –
-5y = -5
y=1

x + 3y = 4
x + 3(1)= 4
x + 3 = 4
x = 4 - 3
x = 1

Jadi, hp (1,1)