Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

15x=140
Pahekotia te x\times 14 me x, ka 15x.
x=\frac{140}{15}
Whakawehea ngā taha e rua ki te 15.
x=\frac{28}{3}
Whakahekea te hautanga \frac{140}{15} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.