Whakaoti mō x
x\geq 8
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x+2+15\leq 6x+9
Whakareatia ngā taha e rua o te whārite ki te 3. I te mea he tōrunga te 3, kāore e huri te ahunga koreōrite.
5x+17\leq 6x+9
Tāpirihia te 2 ki te 15, ka 17.
5x+17-6x\leq 9
Tangohia te 6x mai i ngā taha e rua.
-x+17\leq 9
Pahekotia te 5x me -6x, ka -x.
-x\leq 9-17
Tangohia te 17 mai i ngā taha e rua.
-x\leq -8
Tangohia te 17 i te 9, ka -8.
x\geq \frac{-8}{-1}
Whakawehea ngā taha e rua ki te -1. I te mea he tōraro a -1, ka huri te ahunga koreōrite.
x\geq 8
Ka taea te hautanga \frac{-8}{-1} te whakamāmā ki te 8 mā te tango tahi i te tohu tōraro i te taurunga me te tauraro.
Ngā Tauira
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Whakaurunga
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Ngā Tepe
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