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

Tohaina

x-8=-1
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=-1+8
Me tāpiri te 8 ki ngā taha e rua.
x=7
Tāpirihia te -1 ki te 8, ka 7.