Whakaoti mō x
x\geq 6
Graph
Tohaina
Kua tāruatia ki te papatopenga
2\left(-x\right)+10\leq 3x-20
Me whakarea ngā taha e rua o te whārite ki te 10, arā, te tauraro pātahi he tino iti rawa te kitea o 5,10. I te mea he tōrunga te 10, kāore e huri te ahunga koreōrite.
2\left(-x\right)+10-3x\leq -20
Tangohia te 3x mai i ngā taha e rua.
2\left(-x\right)-3x\leq -20-10
Tangohia te 10 mai i ngā taha e rua.
2\left(-x\right)-3x\leq -30
Tangohia te 10 i te -20, ka -30.
-2x-3x\leq -30
Whakareatia te 2 ki te -1, ka -2.
-5x\leq -30
Pahekotia te -2x me -3x, ka -5x.
x\geq \frac{-30}{-5}
Whakawehea ngā taha e rua ki te -5. I te mea he tōraro a -5, ka huri te ahunga koreōrite.
x\geq 6
Whakawehea te -30 ki te -5, kia riro ko 6.
Ngā Tauira
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