Tolong dijwb, butuhnya malem ininih

Penyelesaian:

3x – 2y = 7 … (1) kali 4

4x + y = 24 … (2) kali 3

12x – 8y = 28

12x + 3y = 72

___________ –

– 11y = – 44

y = 4

3x – 2y = 7

3x – 8 = 7

3x = 15

x = 5

Nilai 2a + b = 2(5) + 4 = 14

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Detil Jawaban

Kelas: 8

Mapel: Matematika

Bab: SPLDV

Kode: 8.2.5

Kata Kunci: sistem persamaan