tolong dijawab pakai cara ya, makasih ..

2x - 3y = -13
x + 2y = 4 --> x = 4 - 2y

2x - 3y = -13
2 (4 - 2y) - 3y = -13
8 - 4y - 3y = -13
8 - 7y = -13
7y = 13 + 8
7y = 21
y = 3

x = 4 - 2y
x = 4 - 2 (3)
x = 4 - 6
x = -2

Pilihan jawaban yang B