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

Tohaina

20x=112+12
Me tāpiri te 12 ki ngā taha e rua.
20x=124
Tāpirihia te 112 ki te 12, ka 124.
x=\frac{124}{20}
Whakawehea ngā taha e rua ki te 20.
x=\frac{31}{5}
Whakahekea te hautanga \frac{124}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.