Question

Himpunan penyelesaian sistem persamaan linier 3x+2y=24 dan -8+y=-140 adlh....
tlng jwb y sama cra ny mksih

Answer 1

3x + 2y = 24 |x1| 3x + 2y = 24
-8x + y = -140 |x2|-16x+ 2y = -280
______________ _
19x = 304
x = 16
3x + 2y = 24
<=> 3.16 + 2y = 24
48 + 2y = 24
y = -12
Hp {16, -12}