Tīpoka ki ngā ihirangi matua
Whakaoti mō a
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Whakaoti mō b
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

3a=9-b
Tangohia te b mai i ngā taha e rua.
\frac{3a}{3}=\frac{9-b}{3}
Whakawehea ngā taha e rua ki te 3.
a=\frac{9-b}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
a=-\frac{b}{3}+3
Whakawehe 9-b ki te 3.
b=9-3a
Tangohia te 3a mai i ngā taha e rua.