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y - y1= m(x-x1)
y-2 = 4/3(x+1) kali 3 semua
3y - 6 = 4 (x + 1)
3y - 6 = 4x + 4
3y -4x -6 -4 = 0
3y - 4x - 10 = 0
m=-a/b=-1/5
y-y1=m(x-x1)
y-4=-1/5(x+10)
5(y-4)=-1(x+10)
5y-20=-x-10
x+5y=-10+20
x+5y=10.
2. 4y=-3x+5
m=y=mx
y=-3/4
m2= 4/3
y-y1=m(x-x1)
y-2=4/3(x+1)
3(y-2)=4(x+1)
3y-6=4x+4
-4x+3y=4+6
-4x+3y=10