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

Tohaina

2x=51-15
Tangohia te 15 mai i ngā taha e rua.
2x=36
Tangohia te 15 i te 51, ka 36.
x=\frac{36}{2}
Whakawehea ngā taha e rua ki te 2.
x=18
Whakawehea te 36 ki te 2, kia riro ko 18.