Whakaoti mō h
h=\frac{c-15}{2}
Whakaoti mō c
c=2h+15
Tohaina
Kua tāruatia ki te papatopenga
15+2h=c
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2h=c-15
Tangohia te 15 mai i ngā taha e rua.
\frac{2h}{2}=\frac{c-15}{2}
Whakawehea ngā taha e rua ki te 2.
h=\frac{c-15}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
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