Question

tolong jawabin pliss​

Answer 1

Verified answer

Jawaban:

Opsi C {(13, -32)}

Caranya :

7x + 3y = -5 | ×2 | 14x + 6y = -10

5x + 2y = 1 | ×3 | 15x + 6y = 3

___________ -

-1x = -13

x = 13

5x + 2y = 1

5(13) + 2y = 1

65 + 2y = 1

2y = -64

y = -32

Hp = {(13,-32)} C.

Answer 2

Jawab:

C.{(13,-32)}

Penjelasan dengan langkah-langkah:

7x + 3y = -5 ║x2   14x + 6y = -10

5x + 2y = 1 ║x3     15x + 6y = 3

                             __________-

                              -x = -13

                               x = 13

subtitusi x ke persamaan(1)

5(13) + 2y = 1

65 + 2y = 1

2y = 1 - 65

2y = -64

y = -64/2

y = - 32

∴ HP {(13,-32)}

maaf kalau salah