Tīpoka ki ngā ihirangi matua
Whakaoti mō x_1
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Whakaoti mō y
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

1x_{1}+3=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
1x_{1}=y-3
Tangohia te 3 mai i ngā taha e rua.
x_{1}=y-3
Whakaraupapatia anō ngā kīanga tau.
y=x_{1}+3
Whakaraupapatia anō ngā kīanga tau.