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

Tohaina

x=-7x
Pahekotia te x me -8x, ka -7x.
x+7x=0
Me tāpiri te 7x ki ngā taha e rua.
8x=0
Pahekotia te x me 7x, ka 8x.
x=0
He ōrite te hua o ngā tau e rua ki 0 ina 0 tētahi o rāua te iti rawa. Tātemea kāore te 8 e ōrite ki 0, me ōrite pū te x ki 0.