3x + y = 1 X - y = 3
Matematika
nadianova8
Pertanyaan
3x + y = 1
X - y = 3
X - y = 3
1 Jawaban
-
1. Jawaban 4452mot
eliminasi y
3x +y =1
x - y =3
________+
4x = 4
x =4/4
x = 1
sub. x =1 ke x -y = 3
(1)-y = 3
y= 1-3
y = -2
HP ( 1,-2)