Jawaban dari 2x-y=14 dan x+3y=0
x + 3y = 0
x = 0 – 3y
2x – y = 14
2(0 – 3y) – y = 14
0 – 6y – y = 14
-7y = 14
y = 14 : -7
y = -2 ————-> x = 0 – 3y
x = 0 – 3(-2)
x = 6
2x-y. = 14 | x 1
x + 3y = 0 | x 2
———–——–—–
2x-y = 14
2x+6y = 0
—————- –
– 7 y = 14
Y = -2
Subtitusi
2x – (-2) = 14
2x +2 = 14
2x = 14-2
x = 12/2
x = 6