Whakaoti mō x
x<-6
Graph
Tohaina
Kua tāruatia ki te papatopenga
6x+21<-15
Pahekotia te 10x me -4x, ka 6x.
6x<-15-21
Tangohia te 21 mai i ngā taha e rua.
6x<-36
Tangohia te 21 i te -15, ka -36.
x<\frac{-36}{6}
Whakawehea ngā taha e rua ki te 6. I te mea he tōrunga te 6, kāore e huri te ahunga koreōrite.
x<-6
Whakawehea te -36 ki te 6, kia riro ko -6.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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whārite Simultaneous
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Whakarerekētanga
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