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Whakaoti mō x
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Whakaoti mō y_2
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x+y_{2}=-2
Tangohia te 4 i te 2, ka -2.
x=-2-y_{2}
Tangohia te y_{2} mai i ngā taha e rua.
x+y_{2}=-2
Tangohia te 4 i te 2, ka -2.
y_{2}=-2-x
Tangohia te x mai i ngā taha e rua.