y = 1
x = y + 1 = 2
(2,1)
b. −x + 3y = 0
x + 3y = 12
__________ -
-2x = -12
x = 6
3y = x
y = 1
x = y + 1 = 2
(2,1)
b. −x + 3y = 0
x + 3y = 12
__________ -
-2x = -12
x = 6
3y = x
Editor: Yulia Pramuninggar
Sumber: Buku Matematika Kelas 8 Semester 1