Whakaoti mō x
x = \frac{17}{2} = 8\frac{1}{2} = 8.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+1+3=21
Pahekotia te x me x, ka 2x.
2x+4=21
Tāpirihia te 1 ki te 3, ka 4.
2x=21-4
Tangohia te 4 mai i ngā taha e rua.
2x=17
Tangohia te 4 i te 21, ka 17.
x=\frac{17}{2}
Whakawehea ngā taha e rua ki te 2.
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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Whakaurunga
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Ngā Tepe
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