TOLONG BANTUIN JAWAB DI KUMPUL BESOK

1.2x-y=4 dan x+y=5
2x-y = 4
x + y = 5
———-+
3x = 9
x = 3

x+y = 5
3 + y = 5
y = 2

2.x-y=3 dan x+2y=6
x-y = 3
x+2y = 6
———- –
-3y = -3
y= 1

x-y = 3
x-1 = 3
x = 4

1. 2x-y=4 dan x+y=5
2x – y = 4
x + y = 5
———– +
3x = 9
x = 9:3
x = 3

x + y = 5
3 + y = 5
y = 5 – 3
y = 2

2. x-y=3 dan x+2y=6
x – y = 3
x + 2y = 6
———— –
-3y = -3
y = -3 : -3
y = 1

x – y = 3
x – 1 = 3
x = 3 + 1
x = 4