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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

20t+16-15t\leq -14
Tangohia te 15t mai i ngā taha e rua.
5t+16\leq -14
Pahekotia te 20t me -15t, ka 5t.
5t\leq -14-16
Tangohia te 16 mai i ngā taha e rua.
5t\leq -30
Tangohia te 16 i te -14, ka -30.
t\leq \frac{-30}{5}
Whakawehea ngā taha e rua ki te 5. I te mea he tōrunga te 5, kāore e huri te ahunga koreōrite.
t\leq -6
Whakawehea te -30 ki te 5, kia riro ko -6.