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

Tohaina

180+0x=170+x
Whakareatia te 0 ki te 9, ka 0.
180+0=170+x
Ko te tau i whakarea ki te kore ka hua ko te kore.
180=170+x
Tāpirihia te 180 ki te 0, ka 180.
170+x=180
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=180-170
Tangohia te 170 mai i ngā taha e rua.
x=10
Tangohia te 170 i te 180, ka 10.