Whakaoti mō z
z=8
Tohaina
Kua tāruatia ki te papatopenga
9z+10-5z-3=39
Hei kimi i te tauaro o 5z+3, kimihia te tauaro o ia taurangi.
4z+10-3=39
Pahekotia te 9z me -5z, ka 4z.
4z+7=39
Tangohia te 3 i te 10, ka 7.
4z=39-7
Tangohia te 7 mai i ngā taha e rua.
4z=32
Tangohia te 7 i te 39, ka 32.
z=\frac{32}{4}
Whakawehea ngā taha e rua ki te 4.
z=8
Whakawehea te 32 ki te 4, kia riro ko 8.
Ngā Tauira
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