2y = x – 8 dan x + 2y = 10ini soal SPLDV pls tolong kerjain​

2y = x – 8

-x + 2y = -8 …… pers 1

x + 2y = 10 …… pers 2

Eleminasi pers 1 dan 2

-x + 2y = -8

x + 2y = 10

—————– (-)

-2x = -18

x = 9

Subtitusi x ke pers 1

-x + 2y = -8

-9 + 2y = -8

2y = -8 + 9

2y = 1

y = 1/2

HP = {(9, 1/2)}