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2x-3y=13.......(2)
Eliminasi x dr persamaan (1)&(2)
3x+4y=-6 ×(2)
2x-3y=13 ×(3)
6x+8y=-12
6x-9y=39
6x-6x+8y-(-9y)=-12-39
8y+9y=-51
17y=-51
y=-3
Substitusikan y=-3 ke persamaan (1)
3x+4y=-6
3x+4(-3)=-6
3×-12=-6
3x=-6+12
3x=6
x=2
x=2, y=-3
Hp={2,-3}