2x + y = 8 dan 3x - 2y = 19 pake cara sistem persamaan linear dua variabel

2x + y = 8
3x - 2y = 19

4x + 2y = 16
3x - 2y = 19
------------------- +
7x = 35
x = 35/7
x = 5

2x + y = 8
2(5) + y = 8
10 + y = 8
y = 8 - 10
y = -2

semoga membantu###

Jawabannya:

- 2x+y= 8 |×2|
3x-2y= 19 |×1|

4x+2y= 16
3x-2y= 19
--------------- +
7x = 35
x = 35/7
x = 5


- 2x+y= 8 |×3|
3x-2y= 19 |×2|

6x+3y= 24
6x-4y= 38
---------------- +
7y= -14
y= -14/7
y= -2

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