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

Tohaina

100x=180-10
Tangohia te 10 mai i ngā taha e rua.
100x=170
Tangohia te 10 i te 180, ka 170.
x=\frac{170}{100}
Whakawehea ngā taha e rua ki te 100.
x=\frac{17}{10}
Whakahekea te hautanga \frac{170}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.