Whakaoti mō x
x\in \begin{bmatrix}-\frac{5}{3},7\end{bmatrix}
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Tohaina
Kua tāruatia ki te papatopenga
3x+5\leq 0 7-x\leq 0
Kia ≥0 te otinga, me ≤0 tahi, me ≥0 tahi rānei te 3x+5 me te 7-x. Whakaarohia te tauira ina he ≤0 tahi te 3x+5 me te 7-x.
x\in \emptyset
He teka tēnei mō tētahi x ahakoa.
7-x\geq 0 3x+5\geq 0
Whakaarohia te tauira ina he ≥0 tahi te 3x+5 me te 7-x.
x\in \begin{bmatrix}-\frac{5}{3},7\end{bmatrix}
Te otinga e whakaea i ngā koreōrite e rua ko x\in \left[-\frac{5}{3},7\right].
x\in \begin{bmatrix}-\frac{5}{3},7\end{bmatrix}
Ko te otinga whakamutunga ko te whakakotahi i ngā otinga kua whiwhi.
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