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y-y1=m(x-x1)
y+3=4(x-2)
maka persamaan nya = 4x-y-11
4x-y=6
y=6-4x
-1
y=4 . m1=4
y-y1=m1(x-x1)
y+3 = 4(x-2)
y=4x-8-3
y=4x-11 / y-4x+11=0 Sorrry klo salah :D