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

Tohaina

x+15=\frac{76}{2}
Whakawehea ngā taha e rua ki te 2.
x+15=38
Whakawehea te 76 ki te 2, kia riro ko 38.
x=38-15
Tangohia te 15 mai i ngā taha e rua.
x=23
Tangohia te 15 i te 38, ka 23.