Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

3x=30
Pahekotia te 2x me x, ka 3x.
x=\frac{30}{3}
Whakawehea ngā taha e rua ki te 3.
x=10
Whakawehea te 30 ki te 3, kia riro ko 10.