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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-y-3-4y-5y\leq 2
Tangohia te 5y mai i ngā taha e rua.
-y-3-9y\leq 2
Pahekotia te -4y me -5y, ka -9y.
-y-9y\leq 2+3
Me tāpiri te 3 ki ngā taha e rua.
-y-9y\leq 5
Tāpirihia te 2 ki te 3, ka 5.
-10y\leq 5
Pahekotia te -y me -9y, ka -10y.
y\geq \frac{5}{-10}
Whakawehea ngā taha e rua ki te -10. I te mea he tōraro a -10, ka huri te ahunga koreōrite.
y\geq -\frac{1}{2}
Whakahekea te hautanga \frac{5}{-10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.