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

Tohaina

x-25x=0
Tangohia te 25x mai i ngā taha e rua.
-24x=0
Pahekotia te x me -25x, ka -24x.
x=0
He ōrite te hua o ngā tau e rua ki 0 ina 0 tētahi o rāua te iti rawa. Tātemea kāore te -24 e ōrite ki 0, me ōrite pū te x ki 0.