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

Tohaina

3x=20-10
Tangohia te 10 mai i ngā taha e rua.
3x=10
Tangohia te 10 i te 20, ka 10.
x=\frac{10}{3}
Whakawehea ngā taha e rua ki te 3.