Whakaoti mō x_9
x_{9}=650
Tohaina
Kua tāruatia ki te papatopenga
x_{9}\times 0+650=x_{9}
Whakareatia te 0 ki te 2, ka 0.
0+650=x_{9}
Ko te tau i whakarea ki te kore ka hua ko te kore.
650=x_{9}
Tāpirihia te 0 ki te 650, ka 650.
x_{9}=650
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
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