1/x + 2/y = 1 3/x + 10/y = 4 dengan cara metode substitusi

1/x + 2/y = 1
1/x = 1 - 2/y ... (i)

subtitusi (i) ke 3/x + 10/y = 4

3(1 - 2/y) + 10/y = 4
3 - 6/y + 10/y = 4
4/y = 1
y = 4

Subtitusi y = -4 ke 1/x = 1 - 2/y
1/x = 1 - 2/4
1/x = ½
x = 2

HP : {2 , 4}