Matematika Sekolah Menengah Atas ( 1 ) 4x -2y = -16-3x + 5y = 19TENTUKAN HIMPUNAN PENYELESAIAN NYA !​

owenpriceulv – April 11, 2023

( 1 ) 4x -2y = -16
-3x + 5y = 19

TENTUKAN HIMPUNAN PENYELESAIAN NYA !​

Jawaban:

4x - 2y = -16 |×5

-3x + 5y = 19 |×2

20x - 10y = -80

-6x + 10y = 38

____________ +

14x = -42

x = -3

4x - 2y = -16

4(-3) - 2y = -16

-12 + 16 = 2y

y = 2

Hp = {-3 , 2}

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