19x - y - 24 = 0 9x + 4y + 11 =
Matematika
marsel64
Pertanyaan
19x - y - 24 = 0 9x + 4y + 11 =
1 Jawaban
-
1. Jawaban adindasptr
Persamaan :
•19x - y = 24 --> y = 19x - 24
•9x + 4y = -11
Cara substitusi :
9x + 4(19x - 24) = -11
9x + 76x - 96 = -11
85x = 85
x = 1
y = 19 (1) - 24
Y = -5