Baca tanpa iklan
x = 3
y = 2
2. Selesaikanlah setiap sistem persamaan ini!
(1) 2x – y = –3
2x + y = –1
(2) 4x – y = 5
3x – y = 3
(3) 7x + 2y = –6
5x – 4y = 12
(4) 4x + 3y = 5
3x + 4y = –5
(5) 3x – y = 8
y = –2x + 7
(6) x = –5y + 1
2x – y = –9
BERITA REKOMENDASI
Jawaban:
(1) x = –1
y = 1
(2) x = 2
y = 3
(3) x = 0
y = –3
(4) x = 5
y = –5
(5) x = 3
y = 1