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Whakaoti mō x
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Whakaoti mō y
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Tohaina

-3x=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
\frac{-3x}{-3}=\frac{y}{-3}
Whakawehea ngā taha e rua ki te -3.
x=\frac{y}{-3}
Mā te whakawehe ki te -3 ka wetekia te whakareanga ki te -3.
x=-\frac{y}{3}
Whakawehe y ki te -3.