Whakaoti mō a
a=180-b
Whakaoti mō b
b=180-a
Tohaina
Kua tāruatia ki te papatopenga
-a=b-180
Tangohia te 180 mai i ngā taha e rua.
\frac{-a}{-1}=\frac{b-180}{-1}
Whakawehea ngā taha e rua ki te -1.
a=\frac{b-180}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
a=180-b
Whakawehe b-180 ki te -1.
b=180-a
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
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