(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

Matematika Quis!!

4x + 3y = 34
5x + y = 37
Carilah Himpunan Penyelesaiannya

^_________^​

Quis!!

4x + 3y = 34
5x + y = 37
Carilah Himpunan Penyelesaiannya

^_________^​

Jawab:

Hp = { 7, 2 }

Penjelasan dengan langkah-langkah:

Eliminasi.

4x + 3y = 34  (·1) → 4x  + 3y  = 34

5x + y = 37    (·3) → 15x + 3y = 111

Kemudian

4x-15x = 34-111

-11x = -77

x = 77÷11

x = 7

LALU CARI y

5x + y = 37

(5·7)+y = 37

35 + y = 37

y = 2

Hp = { 7, 2 }

- KLF -

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