Question

X+2y=3 dan x+3y=4 ,metode eliminasi, pake caranya

Answer 1

X +2y =3 | x 3 | 3x+6y=9 
x +3y =4 | x 2 | 2x+6y = 8
                      _________ -
                       x = 1
x + 2y = 3
1 + 2y =3
2y = 3 -1
2y = 2
y = 1

Answer 2

X+2y=3
x+3y=4
-y=-1
y=1

x+2y=3 X3 3x+6y=9
x+3y=4 X2 2x+6y=8
x=1