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3x-2y-11=0
misal: 6x+y-2 = 0.........x1
3x-2y-11=0............x2
6x+y-2=0
6x-4y-22=0
..................-
-3y-24=0
-3y=24
y =24/3
y=8
6x+y-2 =0
6x+8-2 =0
6x+6 =0
6x =-6
x =-6/6
x =-1
HP{-1,8}
dikoreksi lagi yah takut salah
3x - 2y = 11 x1----> 3x - 2y = 11
-------------------- (+)
15x = 15
x = 1
6x + y = 2 x1-----> 6x + y = 2
3x - 2y = 11 x2-----> 6x - 4y = 22
------------------(-)
5y = - 20
y = - 4