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

Tohaina

-x+8=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-x=y-8
Tangohia te 8 mai i ngā taha e rua.
\frac{-x}{-1}=\frac{y-8}{-1}
Whakawehea ngā taha e rua ki te -1.
x=\frac{y-8}{-1}
Mā te whakawehe ki te -1 ka wetekia te whakareanga ki te -1.
x=8-y
Whakawehe y-8 ki te -1.