Question

Hasil eliminasi dari 3x + 2y=-2 dan x - 2y=10?

Answer 1

Verified answer

Materi : SPLDV

3x + 2y = -2
x - 2y = 10
------------------- [ + ]
4x = 8
x = 2

3x + 2y = -2
3(2) + 2y = -2
6 + 2y = -2
2y = -2 - 6
2y = -8
y = -4 

Hp = {2 , -4}