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

Tohaina

x=\frac{12}{-4}
Whakawehea ngā taha e rua ki te -4.
x=-3
Whakawehea te 12 ki te -4, kia riro ko -3.