Gradien dari 1.2y= x+12. 2.3y=6+9x 3. 2+4y=3x+5 Pakai cara please..

1]
2y = x + 12
y = 1/2 x + 6
m = 1/2

2]
3y = 6 + 9x
y = 2 + 3x
m = 3

3]
2 + 4y = 3x + 5
4y = 3x + 3
y = 3/4 x + 3/4
m = 3/4