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

Tohaina

x=-4+5
Me tāpiri te 5 ki ngā taha e rua.
x=1
Tāpirihia te -4 ki te 5, ka 1.