Tolonggggg kak:(, makasih
SPLDV
3x – 2y = -1
-x + y = -3 ===> y = x – 3
Pembahasan
Subtitusi nilau y = x – 3
3x – 2y = -1
3x – 2(x-3) = -1
3x – 2x + 6 = -1
x = -7
Subtitusi nilai x = -7
-x + y = -3
-(-7) + y = -3
7 + y = -3
y = -10
Jadi nilai x = –7 dan y = –10