Tīpoka ki ngā ihirangi matua
Whakaoti mō x_5
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Tohaina

3360=x_{5}
Whakareatia te 280 ki te 12, ka 3360.
x_{5}=3360
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.