1.x +y = 24 x - y = 6 2. 2x + 3y = 6 3 x + y = 8

1. x+y = 24
x-y=6 atau x=6+y
6+y+y=24
2y=24 - 6
2y = 18
y = 9
2. 2x+3y =6
3x+y=8 atau y= 8-3x
2x+3(8-3x)=6
2x + 24 -9x=6
2x-9x = 6-24
-7x = -18
x = 2,571

semoga membantu :))

1.)
x + y = 24
x  - y = 6
(x nya dicoret) jadi,
2y = 18
y = 18 / 2
y = 9