Whakaoti mō n
n=7
Tohaina
Kua tāruatia ki te papatopenga
3n+27-8=40
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te n+9.
3n+19=40
Tangohia te 8 i te 27, ka 19.
3n=40-19
Tangohia te 19 mai i ngā taha e rua.
3n=21
Tangohia te 19 i te 40, ka 21.
n=\frac{21}{3}
Whakawehea ngā taha e rua ki te 3.
n=7
Whakawehea te 21 ki te 3, kia riro ko 7.
Ngā Tauira
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