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Tohaina

2y\geq -30+8
Me tāpiri te 8 ki ngā taha e rua.
2y\geq -22
Tāpirihia te -30 ki te 8, ka -22.
y\geq \frac{-22}{2}
Whakawehea ngā taha e rua ki te 2. I te mea he tōrunga te 2, kāore e huri te ahunga koreōrite.
y\geq -11
Whakawehea te -22 ki te 2, kia riro ko -11.