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

Tohaina

33x+81=180
Tāpirihia te -9 ki te 90, ka 81.
33x=180-81
Tangohia te 81 mai i ngā taha e rua.
33x=99
Tangohia te 81 i te 180, ka 99.
x=\frac{99}{33}
Whakawehea ngā taha e rua ki te 33.
x=3
Whakawehea te 99 ki te 33, kia riro ko 3.