Whakaoti mō z
z=10
Tohaina
Kua tāruatia ki te papatopenga
2z=13+7
Me tāpiri te 7 ki ngā taha e rua.
2z=20
Tāpirihia te 13 ki te 7, ka 20.
z=\frac{20}{2}
Whakawehea ngā taha e rua ki te 2.
z=10
Whakawehea te 20 ki te 2, kia riro ko 10.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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Whakarerekētanga
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