Whakaoti mō h_2
h_{2}=5-x_{2}
Whakaoti mō x_2
x_{2}=5-h_{2}
Tohaina
Kua tāruatia ki te papatopenga
h_{2}+x_{2}=5
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
h_{2}=5-x_{2}
Tangohia te x_{2} mai i ngā taha e rua.
h_{2}+x_{2}=5
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x_{2}=5-h_{2}
Tangohia te h_{2} mai i ngā taha e rua.
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