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

Tohaina

2y=105-x
Tangohia te x mai i ngā taha e rua.
\frac{2y}{2}=\frac{105-x}{2}
Whakawehea ngā taha e rua ki te 2.
y=\frac{105-x}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=105-2y
Tangohia te 2y mai i ngā taha e rua.