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

Tohaina

-x=2
Me tāpiri te 2 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
x=-2
Me whakarea ngā taha e rua ki te -1.