= b. 4x – 2y = 16 dan 2x + y = -6! bantuin kak
- Persamaan
4x – 2y = 16 … (1)
2x + y = -6 … (2)
- Nilai x
4x – 2y = 16
4x + 2y = -12
_____________+
8x = 4
x = ½
- Nilai y
4x – 2y = 16
4x + 2y = -12
___________-
-4y = 28
y = -7
= b. 4x – 2y = 16 dan 2x + y = -6! bantuin kak
4x – 2y = 16 … (1)
2x + y = -6 … (2)
4x – 2y = 16
4x + 2y = -12
_____________+
8x = 4
x = ½
4x – 2y = 16
4x + 2y = -12
___________-
-4y = 28
y = -7