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Whakaoti mō x
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Whakaoti mō y
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-2x=y+1
He hanga arowhānui tō te whārite.
\frac{-2x}{-2}=\frac{y+1}{-2}
Whakawehea ngā taha e rua ki te -2.
x=\frac{y+1}{-2}
Mā te whakawehe ki te -2 ka wetekia te whakareanga ki te -2.
x=\frac{-y-1}{2}
Whakawehe 1+y ki te -2.
1+y=-2x
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
y=-2x-1
Tangohia te 1 mai i ngā taha e rua.