Whakaoti mō u
u=9
Tohaina
Kua tāruatia ki te papatopenga
-3u+9=-18
Pahekotia te 7u me -10u, ka -3u.
-3u=-18-9
Tangohia te 9 mai i ngā taha e rua.
-3u=-27
Tangohia te 9 i te -18, ka -27.
u=\frac{-27}{-3}
Whakawehea ngā taha e rua ki te -3.
u=9
Whakawehea te -27 ki te -3, kia riro ko 9.
Ngā Tauira
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