Whakaoti mō z
z=72
Tohaina
Kua tāruatia ki te papatopenga
\frac{1}{36}z=2
Pahekotia te \frac{5}{12}z me -\frac{7}{18}z, ka \frac{1}{36}z.
z=2\times 36
Me whakarea ngā taha e rua ki te 36, te tau utu o \frac{1}{36}.
z=72
Whakareatia te 2 ki te 36, ka 72.
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