Jawabanmu

2014-03-12T20:08:10+07:00
2014-03-12T20:08:15+07:00
Ay = bx + c
m =  \frac{b}{a}

10y - 5x -15 = 0
10 = 5x + 15
m =  \frac{5}{10}
m = 1/2