Whakaoti mō k
k=28
Tohaina
Kua tāruatia ki te papatopenga
\frac{1}{7}k=14-10
Tangohia te 10 mai i ngā taha e rua.
\frac{1}{7}k=4
Tangohia te 10 i te 14, ka 4.
k=4\times 7
Me whakarea ngā taha e rua ki te 7, te tau utu o \frac{1}{7}.
k=28
Whakareatia te 4 ki te 7, ka 28.
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