Whakaoti mō v
v=1
Tohaina
Kua tāruatia ki te papatopenga
4v+5v-\left(-8v\right)=17
Ko te tauaro o -5v ko 5v.
9v-\left(-8v\right)=17
Pahekotia te 4v me 5v, ka 9v.
9v+8v=17
Ko te tauaro o -8v ko 8v.
17v=17
Pahekotia te 9v me 8v, ka 17v.
v=\frac{17}{17}
Whakawehea ngā taha e rua ki te 17.
v=1
Whakawehea te 17 ki te 17, kia riro ko 1.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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