Whakaoti mō n
n=10
Tohaina
Kua tāruatia ki te papatopenga
2n+n=30
Pahekotia te n me n, ka 2n.
3n=30
Pahekotia te 2n me n, ka 3n.
n=\frac{30}{3}
Whakawehea ngā taha e rua ki te 3.
n=10
Whakawehea te 30 ki te 3, kia riro ko 10.
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