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x-2y=10
Cara :
1) Eliminasi y
3x+2y=2
x-2y=10 +
4x = 12
x = 3
2) Substitusi x = 3 ke salah satu persamaan
x-2y=10
3-2y=10
-2y = 7
y=7/-2
y=(-3,5)
HP = {3,-3,5}
Thanks.... #Hapo