carilah metode eliminasi 5×+2y=25.500 10x+3y=42.000

5x + 2y=25.500 ×10
10x+3y=42.000 ×5

50x+20y=255.000
50x+15y =210.000
_______________ _
5y=45.000
y=45.000/5
y=9.000

5x+2y=25.500×3
10x+3y=42.000×2

15x+6y=76.500
20x+6y=84.000
_____________ _
-5x = -7.500
x=-7.500/-5
x=1500