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

Tohaina

4x=7-7
Tangohia te 7 mai i ngā taha e rua.
4x=0
Tangohia te 7 i te 7, ka 0.
x=0
He ōrite te hua o ngā tau e rua ki 0 ina 0 tētahi o rāua te iti rawa. Tātemea kāore te 4 e ōrite ki 0, me ōrite pū te x ki 0.