Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

\frac{15}{2}=x
Whakawehea ngā taha e rua ki te 2.
x=\frac{15}{2}
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.