Tolong jawabnya dengan cara ya.

Kelas 8 Matematika
Bab SPLDV

x + 5y = 5
x = -5y + 5

2x - 3y = -16
2 . (-5y + 5) - 3y = -16
-10y + 10 - 3y = -16
-13y = -16 - 10
y = -26/-13
y = 2

x = -5y + 5
x = -5 . 2 + 5
x = -10 + 5
x = -5

3x + 2y
= 3 . (-5) + 2 . 2
= -15 + 4
= -11