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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2x+79x=0\times 28
Whakareatia te 2 ki te 1, ka 2.
81x=0\times 28
Pahekotia te 2x me 79x, ka 81x.
81x=0
Whakareatia te 0 ki te 28, 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 81 e ōrite ki 0, me ōrite pū te x ki 0.