Whakaoti mō x
x\geq -\frac{3418}{9}
Graph
Tohaina
Kua tāruatia ki te papatopenga
1160+15x+10.5\left(138-x\right)\geq 900
Tangohia te 3000 i te 4160, ka 1160.
1160+15x+1449-10.5x\geq 900
Whakamahia te āhuatanga tohatoha hei whakarea te 10.5 ki te 138-x.
2609+15x-10.5x\geq 900
Tāpirihia te 1160 ki te 1449, ka 2609.
2609+4.5x\geq 900
Pahekotia te 15x me -10.5x, ka 4.5x.
4.5x\geq 900-2609
Tangohia te 2609 mai i ngā taha e rua.
4.5x\geq -1709
Tangohia te 2609 i te 900, ka -1709.
x\geq \frac{-1709}{4.5}
Whakawehea ngā taha e rua ki te 4.5. I te mea he tōrunga te 4.5, kāore e huri te ahunga koreōrite.
x\geq \frac{-17090}{45}
Whakarohaina te \frac{-1709}{4.5} mā te whakarea i te taurunga me te tauraro ki te 10.
x\geq -\frac{3418}{9}
Whakahekea te hautanga \frac{-17090}{45} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
Ngā Tauira
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