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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=29-4y
Tangohia te 4y mai i ngā taha e rua.
\frac{2x}{2}=\frac{29-4y}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{29-4y}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=\frac{29}{2}-2y
Whakawehe 29-4y ki te 2.
4y=29-2x
Tangohia te 2x mai i ngā taha e rua.
\frac{4y}{4}=\frac{29-2x}{4}
Whakawehea ngā taha e rua ki te 4.
y=\frac{29-2x}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
y=-\frac{x}{2}+\frac{29}{4}
Whakawehe 29-2x ki te 4.