Whakaoti mō z
z = -\frac{7}{2} = -3\frac{1}{2} = -3.5
Tohaina
Kua tāruatia ki te papatopenga
\frac{-28}{8}=z
Whakawehea ngā taha e rua ki te 8.
-\frac{7}{2}=z
Whakahekea te hautanga \frac{-28}{8} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.
z=-\frac{7}{2}
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
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