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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

4x+40-5.5x\leq 0
Tangohia te 5.5x mai i ngā taha e rua.
-1.5x+40\leq 0
Pahekotia te 4x me -5.5x, ka -1.5x.
-1.5x\leq -40
Tangohia te 40 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x\geq \frac{-40}{-1.5}
Whakawehea ngā taha e rua ki te -1.5. I te mea he tōraro a -1.5, ka huri te ahunga koreōrite.
x\geq \frac{-400}{-15}
Whakarohaina te \frac{-40}{-1.5} mā te whakarea i te taurunga me te tauraro ki te 10.
x\geq \frac{80}{3}
Whakahekea te hautanga \frac{-400}{-15} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -5.