Question

2x + 4y = 16
3x + 5y =21

Penyelesaian SPLDV Dengan Metode Substitusi

Answer 1

Verified answer

2x + 4y = 16
2x = - 4y + 16
x = - 2y + 8

3x + 5y = 21
3(-2y + 8) + 5y = 21
- 6y + 24 + 5y = 21
- y = 21 - 24
y = 3

x = - 2y + 8
= - 2(3) + 8
= - 6 + 8
= 2

hp = {2,3}