Question

2x + y = 5 dan 3x - 2y

pakai metode eliminasi

Answer 1

{ 2x + y = 5  ...(1)
{ 3x - 2y = 0 ...(2)

(1) x 2  4x + 2y = 10 ...(1)'
(2) + (1)'  -x = 10
               x = -10

Substitusikan ke (1),
-20 + y = 5
y = 25